update bundler

Gemfile.lock

@@ -353,8 +353,8 @@ GEM
     sqlite3 (1.3.11)
     term-ansicolor (1.3.2)
       tins (~> 1.0)
-    terminal-table (1.7.0)
-      unicode-display_width (~> 1.1)
+    terminal-table (1.7.1)
+      unicode-display_width (~> 1.1.1)
     thor (0.19.1)
     thread (0.2.2)
     thread_safe (0.3.5)
@@ -364,7 +364,7 @@ GEM
       thread_safe (~> 0.1)
     uglifier (3.0.2)
       execjs (>= 0.3.0, < 3)
-    unicode-display_width (1.1.0)
+    unicode-display_width (1.1.1)
     unicode_utils (1.4.0)
     websocket-driver (0.6.4)
       websocket-extensions (>= 0.1.0)
@@ -377,7 +377,7 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  bundler (~> 1.12.5)
+  bundler (~> 1.13.0)
   byebug (~> 9.0.5)
   capybara (~> 2.8.0)
   coffeelint (~> 1.14.0)
@@ -403,4 +403,4 @@ DEPENDENCIES
   sqlite3 (~> 1.3.11)
 
 BUNDLED WITH
-   1.12.5
+   1.13.0

socializer.gemspec

@@ -42,7 +42,7 @@ Gem::Specification.new do |spec|
   spec.add_dependency("simple_form",          "~> 3.3.1")
   spec.add_dependency("country_select",       "~> 2.5.2")
 
-  spec.add_development_dependency("bundler",              "~> 1.12.5")
+  spec.add_development_dependency("bundler",              "~> 1.13.0")
   spec.add_development_dependency("rake",                 "~> 11.2.2")
   spec.add_development_dependency("sqlite3",              "~> 1.3.11")
   spec.add_development_dependency("rspec-rails",          "~> 3.4.2")