Fix broken dependency

I am not happy with Flask-WhooshAlchemy and I am probably gonna move
away from it sooner or later (looking at Flask-Whooshee).

requirements.txt

@@ -22,6 +22,7 @@ Flask-Redis==0.1.0
 Flask-Script==2.0.5
 Flask-SQLAlchemy==2.1
 Flask-Themes2==0.1.4
+Flask-WhooshAlchemy==0.56
 Flask-WTF==0.12
 itsdangerous==0.24
 Jinja2==2.8
@@ -44,4 +45,3 @@ Unidecode==0.4.19
 Werkzeug==0.11.10
 Whoosh==2.7.4
 WTForms==2.1
-https://github.com/jshipley/Flask-WhooshAlchemy/archive/master.zip#egg=Flask-Whooshalchemy

setup.py

@@ -84,6 +84,7 @@ setup(
         'Flask-Script',
         'Flask-SQLAlchemy',
         'Flask-Themes2',
+        'Flask-WhooshAlchemy',
         'Flask-WTF',
         'itsdangerous',
         'Jinja2',
@@ -114,9 +115,6 @@ setup(
         'pytest-cov',
         'pytest-random'
     ],
-    dependency_links=[
-        'https://github.com/jshipley/Flask-WhooshAlchemy/archive/master.zip#egg=Flask-WhooshAlchemy',
-    ],
     classifiers=[
         'Development Status :: 4 - Beta',
         'Environment :: Web Environment',