diff --git a/Gemfile.lock b/Gemfile.lock
index 36a29235253aae55ec171f2ee179c8789645a866..51189127505e962630fe7af45909409e52be0edf 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -39,6 +39,9 @@ GEM
       thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
     addressable (2.3.8)
+    annotate (2.6.5)
+      activerecord (>= 2.3.0)
+      rake (>= 0.8.7)
     ansi (1.5.0)
     arel (6.0.3)
     ast (2.2.0)
@@ -80,6 +83,7 @@ GEM
     byebug (8.2.2)
     chart-js-rails (0.0.9)
       railties (> 3.1)
+    choice (0.2.0)
     chronic (0.10.2)
     climate_control (0.0.3)
       activesupport (>= 3.0)
@@ -87,6 +91,8 @@ GEM
       climate_control (>= 0.0.3, < 1.0)
     codeclimate-engine-rb (0.3.1)
       virtus (~> 1.0)
+    codemirror-rails (5.11)
+      railties (>= 3.0, < 5)
     coderay (1.1.1)
     coercible (1.0.0)
       descendants_tracker (~> 0.0.1)
@@ -315,6 +321,8 @@ GEM
       ast (~> 2.2)
     pg (0.18.4)
     phantomjs (2.1.1.0)
+    polyamorous (1.3.0)
+      activerecord (>= 3.0)
     ptools (1.3.3)
     puma (3.2.0)
     pundit (1.1.0)
@@ -346,8 +354,25 @@ GEM
       activesupport (>= 4.2.0.beta, < 5.0)
       nokogiri (~> 1.6.0)
       rails-deprecated_sanitizer (>= 1.0.1)
+    rails-erd (1.4.6)
+      activerecord (>= 3.2)
+      activesupport (>= 3.2)
+      choice (~> 0.2.0)
+      ruby-graphviz (~> 1.2)
     rails-html-sanitizer (1.0.3)
       loofah (~> 2.0)
+    rails_db (1.1.1)
+      codemirror-rails
+      font-awesome-rails
+      jquery-rails
+      kaminari
+      launchy
+      rails (>= 3.1.0)
+      ransack
+      sass
+      sass-rails
+      simple_form
+      terminal-table
     railties (4.2.6)
       actionpack (= 4.2.6)
       activesupport (= 4.2.6)
@@ -357,6 +382,12 @@ GEM
     rake (11.1.1)
     rake-compiler (0.9.7)
       rake
+    ransack (1.7.0)
+      actionpack (>= 3.0)
+      activerecord (>= 3.0)
+      activesupport (>= 3.0)
+      i18n
+      polyamorous (~> 1.2)
     rdoc (4.2.2)
       json (~> 1.4)
     redis (3.2.2)
@@ -372,6 +403,7 @@ GEM
     resumablejs-rails (1.1)
       railties (> 3.1, < 5)
     rmagick (2.15.4)
+    ruby-graphviz (1.2.2)
     ruby-progressbar (1.7.5)
     ruby2ruby (2.3.0)
       ruby_parser (~> 3.1)
@@ -417,6 +449,9 @@ GEM
       concurrent-ruby (~> 1.0)
       connection_pool (~> 2.2, >= 2.2.0)
       redis (~> 3.2, >= 3.2.1)
+    simple_form (3.2.1)
+      actionpack (> 4, < 5.1)
+      activemodel (> 4, < 5.1)
     sinatra (1.4.7)
       rack (~> 1.5)
       rack-protection (~> 1.4)
@@ -480,6 +515,7 @@ PLATFORMS
 
 DEPENDENCIES
   activerecord-import
+  annotate
   bcrypt (~> 3.1.7)
   best_in_place
   better_errors
@@ -523,6 +559,8 @@ DEPENDENCIES
   rack-cors
   rack-mini-profiler
   rails (= 4.2.6)
+  rails-erd
+  rails_db
   rainbow
   rdoc
   resumablejs-rails