compatibility fixes

Gemfile.lock

@@ -50,6 +50,9 @@ GEM
     bcrypt-ruby (3.1.5)
       bcrypt (>= 3.1.3)
     builder (3.2.2)
+    byebug (3.2.0)
+      columnize (~> 0.8)
+      debugger-linecache (~> 1.2)
     capistrano (2.15.5)
       highline
       net-scp (>= 1.0.0)
@@ -76,17 +79,12 @@ GEM
       money (~> 6.0)
       multi_json (>= 1.3.4)
       oauth2 (~> 1.0)
-    columnize (0.8.9)
+    columnize (0.9.0)
     crack (0.4.2)
       safe_yaml (~> 1.0.0)
     daemons (1.1.9)
     dalli (2.7.0)
-    debugger (1.6.8)
-      columnize (>= 0.3.1)
-      debugger-linecache (~> 1.2.0)
-      debugger-ruby_core_source (~> 1.3.5)
     debugger-linecache (1.2.0)
-    debugger-ruby_core_source (1.3.5)
     delayed_job (4.0.1)
       activesupport (>= 3.0, < 4.2)
     delayed_job_active_record (4.0.1)
@@ -167,9 +165,6 @@ GEM
       coderay (~> 1.0)
       method_source (~> 0.8)
       slop (~> 3.4)
-    pry-debugger (0.2.3)
-      debugger (~> 1.3)
-      pry (>= 0.9.10, < 0.11.0)
     rack (1.5.2)
     rack-test (0.6.2)
       rack (>= 1.0)
@@ -269,6 +264,7 @@ DEPENDENCIES
   awesome_print
   aws-s3!
   bcrypt-ruby
+  byebug
   capistrano
   capistrano-ext
   capistrano-unicorn
@@ -291,7 +287,6 @@ DEPENDENCIES
   pg
   protected_attributes
   pry
-  pry-debugger
   radix62 (~> 1.0.1)
   rails (~> 4.1.8)
   rmagick