Devise authentication added - no registration though

Gemfile.lock

@@ -43,6 +43,7 @@ GEM
       thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
     arel (6.0.0)
+    bcrypt (3.1.10)
     better_errors (2.1.1)
       coderay (>= 1.0.0)
       erubis (>= 2.6.6)
@@ -72,6 +73,13 @@ GEM
       jquery-cookie-rails
       jquery-rails
     debug_inspector (0.0.2)
+    devise (3.4.1)
+      bcrypt (~> 3.0)
+      orm_adapter (~> 0.1)
+      railties (>= 3.2.6, < 5)
+      responders
+      thread_safe (~> 0.1)
+      warden (~> 1.2.3)
     erubis (2.7.0)
     execjs (2.5.2)
     fancybox2-rails (0.2.8)
@@ -135,6 +143,7 @@ GEM
     notiffany (0.0.6)
       nenv (~> 0.1)
       shellany (~> 0.0)
+    orm_adapter (0.5.0)
     paperclip (4.2.1)
       activemodel (>= 3.0.0)
       activesupport (>= 3.0.0)
@@ -188,6 +197,8 @@ GEM
     rdoc (4.2.0)
       json (~> 1.4)
     ref (1.0.5)
+    responders (2.1.0)
+      railties (>= 4.2.0, < 5)
     ruby-graphviz (1.0.9)
     sass (3.4.13)
     sass-rails (5.0.3)
@@ -231,6 +242,8 @@ GEM
     uglifier (2.7.1)
       execjs (>= 0.3.0)
       json (>= 1.8.0)
+    warden (1.2.3)
+      rack (>= 1.0)
     web-console (2.1.2)
       activemodel (>= 4.0)
       binding_of_caller (>= 0.7.2)
@@ -250,6 +263,7 @@ DEPENDENCIES
   bzip2-ruby!
   coffee-rails (~> 4.1.0)
   cookies_eu
+  devise
   fancybox2-rails (~> 0.2.8)
   foundation-rails
   guard-minitest