Hardcode release version in app file (fixes #154)

rebar.config

@@ -5,7 +5,7 @@
 
 {deps,
  [{merl, ".*",
-   {git, "git://github.com/erlydtl/merl.git", "28e5b3829168199e8475fa91b997e0c03b90d280"}, % {branch, "erlydtl"}},
+   {git, "git://github.com/erlydtl/merl.git", "28e5b3829168199e8475fa91b997e0c03b90d280"},
    [raw]}
  ]}.
 

src/erlydtl.app.src

@@ -1,9 +1,8 @@
 %% -*- mode: erlang -*-
 {application, erlydtl,
- [{description, "ErlyDTL compiles the Django Template Language to Erlang bytecode"},
-  {vsn, git},
-  {modules, [
-            ]},
+ [{description, "Django Template Language for Erlang"},
+  {vsn, "0.9.3"},
+  {modules, []},
   {applications, [kernel, stdlib, compiler, syntax_tools]},
   {registered, []}
  ]}.