Fix dependencies specification in Gemfile:

* Implement custom Gemfile evaluation;
* Remove all uneeded gems;
* Fix indentation.

Gemfile.lock

@@ -40,10 +40,8 @@ GEM
       xpath (~> 0.1.4)
     childprocess (0.3.1)
       ffi (~> 1.0.6)
-    daemons (1.1.8)
     diff-lcs (1.1.3)
     erubis (2.7.0)
-    eventmachine (0.12.10)
     factory_girl (2.6.4)
       activesupport (>= 2.3.9)
     factory_girl_rails (1.7.0)
@@ -63,7 +61,6 @@ GEM
     i18n (0.6.0)
     journey (1.0.3)
     json (1.6.5)
-    libnotify (0.7.2)
     mail (2.4.4)
       i18n (>= 0.4.0)
       mime-types (~> 1.16)
@@ -99,8 +96,6 @@ GEM
       rdoc (~> 3.4)
       thor (~> 0.14.6)
     rake (0.9.2.2)
-    rb-inotify (0.8.8)
-      ffi (>= 0.5.0)
     rdoc (3.12)
       json (~> 1.4)
     rspec (2.9.0)
@@ -128,10 +123,6 @@ GEM
       hike (~> 1.2)
       rack (~> 1.0)
       tilt (~> 1.1, != 1.3.0)
-    thin (1.3.1)
-      daemons (>= 1.0.9)
-      eventmachine (>= 0.12.6)
-      rack (>= 1.0.0)
     thor (0.14.6)
     tilt (1.3.3)
     treetop (1.4.10)
@@ -152,12 +143,9 @@ DEPENDENCIES
   guard-rspec (~> 0.4)
   guard-spork (~> 0.2)
   haml (~> 3.1)
-  libnotify (~> 0.6)
   pg (~> 0.11)
   rabl (~> 0.6)
   rails (~> 3.1)
-  rb-inotify (~> 0.8)
   rspec-rails (~> 2.6)
   shoulda-matchers (~> 1.0)
   spork (~> 0.9.0.rc)
-  thin (~> 1.3)