Add NEWS file.

NEWS

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+<!-- -*- mode: markdown -*- -->
+ErlyDTL NEWS file
+-----------------
+
+This file records noteworthy changes and additions to erlydtl as
+suggested by the [GNU Coding
+Standards](http://www.gnu.org/prep/standards/html_node/NEWS-File.html#NEWS-File).
+
+# master (upcoming release)
+
+* Added NEWS file.
+
+
+# 0.9.1 (2014-03-02)
+
+This release brings a row of major internal improvements and also a few new and improved features.
+
+* Replaced most of `erl_syntax` use for merl (#123).
+* Refactored compiler and test suite (#134, #136).
+* Updated result value for directory-compiled (`compile_dir`)
+  templates to return `{ok, Rendered} | {error, Reason}` just as for
+  normally compiled templates. Please note that this is a **backwards
+  incompatible change**.
+* Regroup tag is now Django compatible! (the formerly required
+  `endregroup` tag has been made optional) (#101).
+* The `trans` tag now supports the `{% trans "text string" as Varname
+  %}` construct to catch the translated text rather than output it in
+  place.
+* `{{ block.super }}` is now supported in child blocks (#18).
+* `Template:variables()` now only lists referenced render variables
+  (#118).
+* New `erlydtl_library` behaviour for adding custom filters and tags
+  (#137).
+* New `load` tag added. Only difference to that of django is that we
+  don't support loading a library from a package, as there are no
+  notion of packages in Erlang (#100).
+* New compile options supporting the load tag: `libraries` and
+  `default_libraries`. See the readme. (the previous
+  `custom_tags_modules` and `custom_filters_modules` are still
+  supported, although being marked deprecated in favour of the new
+  options).
+* New compile options for aid in debugging erlydtl itself:
+  `debug_compiler` and `debug_root` as described in the readme (#139).
+
+See milestone 0.9.1 for a complete list of closed issues in this release.
+
+Happy templating!
+
+
+# 0.9.0 (2014-02-17)
+
+After some fluctuating stability around *0.8.1*, this release brings a set of improvements that has been tested not only by the test suite, but also in a couple of projects.
+
+* API changes. Added `_file` and `_template` suffixes to the compile
+  functions to explicitly convey what is to be compiled.
+* Autoescape is now enabled by default. Use the relatively new
+  `auto_escape` option if you want this disabled by default.
+* `blocktrans` blocks can now be translated to multiple locales in
+  runtime. (thanks to @seriyps).
+* `trans` and `_(...)` tags can now be translated to multiple locales
+  at compile time. (thanks to @seriyps).
+* Don't want to save the compiled .beam file? Use `{out_dir, false}`
+  compile time option (this was possible before as well, when no
+  out_dir was specified, but that results in a warning).
+* The error reporting has been fixed for certain cases.
+
+
+# 0.8.2 (2014-01-29)
+
+My sincere apologies, this really should have been in the *0.8.1*
+release.
+
+This release brings the new error/warning options and return values
+also to the `compile_dir` api function.
+
+**Backwards incompatible notes:**
+
+Please notice that the new error reporting options also introduces
+subtle incompatible changes in the API (see #126).
+
+It's not hard to adapt, but I want you all to be aware of this when
+upgrading.
+
+These changes were made already in *0.8.1*, but the specs were not, so
+dialyzer did not pick up on them.
+
+
+# 0.8.1 (2014-01-19)
+
+This release is a clean-up release with a bunch of minor issues squeezed out.
+
+* Improved options for error reporting.
+* new auto_escape compile option for django purists.
+* Cleaned out some warnings given by Dialyzer.
+* Major improvements to the generated code for `for`-loops.
+
+**Warning**
+
+The `compile_dir` function is not updated to the new way of reporting
+errors and warnings, and is in a semi-workable state. A fix is
+committed to *master*, and will be included in the next release.
+
+
+# 0.8.0 (2014-01-10)
+
+This is a release to bring in all the changes together since *0.7.0*,
+and will be the starting point for a lot of future improvements.
+
+
+# 0.7.0 (2011-03-21
+
+* Support no-argument version of `date` filter.
+
+
+# 0.6.0 (2010-04-28)
+
+* Implement `trans` tag with support for .po files Includes a .po
+  parser and generator, docs, and tests. See README_I18N.
+
+  Many thanks to David Garcia.
+
+
+# 0.5.3 (2009-08-13)
+
+* Create "ebin" directory if it does not exist.  Thanks to uri.sharf
+  for the bug report, ja...@nialscorva.net for the patch.
+
+
+# 0.5.2 (2009-02-13)
+
+* Do not require a space between a variable name and closing bracket,
+  e.g. allow `{{var1}}`.
+
+
+# 0.5.1 (2008-10-23)
+
+* Issue [#6](https://github.com/erlydtl/erlydtl/pull/6) (Dependencies fix).
+* Applied patch from Dan Milstein to fix a crash when rendering floats.
+* Added a baseline failing test case for the problem.
+
+
+# 0.5.0 (2008-08-07)
+
+* Run functional tests from "make test".
+* Clean up the output from all test suites.
+* New README file.
+* Remove create_parser stuff because "make" handles this.
+* Make `erlydtl:compile/2,3` a wrapper for `erlydtl_compiler:compile/2,3`.
+