Apparently to push to heroku you have to check in the gemfile.lock. ¯…

…\_(ツ)_/¯

.gitignore

@@ -6,7 +6,6 @@ bundle
 /data/version.yml
 .DS_Store
 .DS_Store?
-Gemfile.lock
 /Icon
 "Icon\r"
 .ruby-version

Gemfile.lock

@@ -0,0 +1,144 @@
+GEM
+  remote: http://rubygems.org/
+  specs:
+    activesupport (3.2.19)
+      i18n (~> 0.6, >= 0.6.4)
+      multi_json (~> 1.0)
+    breakpoint (2.4.2)
+      sass (~> 3.3.0)
+      sassy-maps (< 1.0.0)
+    builder (3.2.2)
+    chunky_png (1.3.1)
+    coffee-script (2.2.0)
+      coffee-script-source
+      execjs
+    coffee-script-source (1.7.1)
+    compass (1.0.0.alpha.21)
+      chunky_png (~> 1.2)
+      compass-core (~> 1.0.0.alpha.21)
+      compass-import-once (~> 1.0.4)
+      rb-fsevent (>= 0.9.3)
+      rb-inotify (>= 0.9)
+      sass (>= 3.3.0, < 3.5)
+    compass-core (1.0.0.alpha.21)
+      multi_json (~> 1.0)
+      sass (>= 3.3.0, < 3.5)
+    compass-import-once (1.0.4)
+      sass (>= 3.2, < 3.5)
+    em-websocket (0.5.1)
+      eventmachine (>= 0.12.9)
+      http_parser.rb (~> 0.6.0)
+    eventmachine (1.0.3)
+    execjs (1.4.0)
+      multi_json (~> 1.0)
+    ffi (1.9.3)
+    haml (4.0.5)
+      tilt
+    hike (1.2.3)
+    http_parser.rb (0.6.0)
+    i18n (0.6.11)
+    kramdown (1.4.0)
+    listen (1.3.1)
+      rb-fsevent (>= 0.9.3)
+      rb-inotify (>= 0.9)
+      rb-kqueue (>= 0.2)
+    middleman (3.1.6)
+      coffee-script (~> 2.2.0)
+      compass (>= 0.12.2)
+      execjs (~> 1.4.0)
+      haml (>= 3.1.6)
+      kramdown (~> 1.2)
+      middleman-core (= 3.1.6)
+      middleman-more (= 3.1.6)
+      middleman-sprockets (>= 3.1.2)
+      sass (>= 3.1.20)
+      uglifier (~> 2.1.0)
+    middleman-core (3.1.6)
+      activesupport (~> 3.2.6)
+      bundler (~> 1.1)
+      i18n (~> 0.6.1)
+      listen (~> 1.1)
+      rack (>= 1.4.5)
+      rack-test (~> 0.6.1)
+      thor (>= 0.15.2, < 2.0)
+      tilt (~> 1.3.6)
+    middleman-livereload (3.1.1)
+      em-websocket (>= 0.2.0)
+      middleman-core (>= 3.0.2)
+      multi_json (~> 1.0)
+      rack-livereload
+    middleman-more (3.1.6)
+    middleman-sprockets (3.1.4)
+      middleman-core (>= 3.0.14)
+      middleman-more (>= 3.0.14)
+      sprockets (~> 2.1)
+      sprockets-helpers (~> 1.0.0)
+      sprockets-sass (~> 1.0.0)
+    middleman-syntax (1.2.1)
+      middleman-core (~> 3.0)
+      rouge (~> 0.3.0)
+    multi_json (1.10.1)
+    normalize-rails (3.0.1)
+    rack (1.5.2)
+    rack-contrib (1.1.0)
+      rack (>= 0.9.1)
+    rack-livereload (0.3.15)
+      rack
+    rack-rewrite (1.5.0)
+    rack-test (0.6.2)
+      rack (>= 1.0)
+    rake (10.3.2)
+    rb-fsevent (0.9.4)
+    rb-inotify (0.9.5)
+      ffi (>= 0.5.0)
+    rb-kqueue (0.2.3)
+      ffi (>= 0.5.0)
+    redcarpet (3.1.2)
+    rouge (0.3.10)
+      thor
+    ruby18_source_location (0.2)
+    rubypants (0.2.0)
+    sass (3.3.11)
+    sassy-maps (0.4.0)
+      sass (~> 3.3)
+    sprockets (2.12.1)
+      hike (~> 1.2)
+      multi_json (~> 1.0)
+      rack (~> 1.0)
+      tilt (~> 1.1, != 1.3.0)
+    sprockets-helpers (1.0.1)
+      sprockets (~> 2.0)
+    sprockets-sass (1.0.3)
+      sprockets (~> 2.0)
+      tilt (~> 1.1)
+    susy (2.1.3)
+      sass (>= 3.3.0, < 3.5)
+    thor (0.19.1)
+    tilt (1.3.7)
+    typogruby (1.0.16)
+      rubypants
+    uglifier (2.1.2)
+      execjs (>= 0.3.0)
+      multi_json (~> 1.0, >= 1.0.2)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  breakpoint (= 2.4.2)
+  builder (~> 3.2.2)
+  compass (= 1.0.0.alpha.21)
+  middleman (~> 3.1.5)
+  middleman-livereload
+  middleman-syntax
+  normalize-rails
+  rack
+  rack-contrib
+  rack-rewrite
+  rake
+  redcarpet
+  ruby18_source_location
+  sass (~> 3.3.11)
+  susy (~> 2.1.3)
+  typogruby
+  wdm (~> 0.1.0)