pg default for easy heroku deploy

Gemfile

@@ -13,11 +13,11 @@ gem 'carrierwave'
 
 # -- Database
 # SQLite:
-gem 'sqlite3-ruby'
+#gem 'sqlite3-ruby'
 # MySQL:
 #gem 'mysql2'
 # PostgreSQL:
-#gem 'pg'
+gem 'pg'
 
 # -- Cloud storage
 # AWS S3 support. Can be disabled if using local file system instead of cloud storage.

Gemfile.lock

@@ -66,6 +66,7 @@ GEM
       net-ssh (>= 1.99.1)
     net-ssh (2.3.0)
     nokogiri (1.5.2)
+    pg (0.13.2)
     polyglot (0.3.3)
     rack (1.4.1)
     rack-cache (1.2)
@@ -97,9 +98,6 @@ GEM
       hike (~> 1.2)
       rack (~> 1.0)
       tilt (~> 1.1, != 1.3.0)
-    sqlite3 (1.3.5)
-    sqlite3-ruby (1.3.3)
-      sqlite3 (>= 1.3.3)
     subexec (0.2.1)
     thor (0.14.6)
     tilt (1.3.3)
@@ -118,5 +116,5 @@ DEPENDENCIES
   mime-types
   mini_exiftool
   mini_magick
+  pg
   rails (= 3.2.3)
-  sqlite3-ruby