Update guard, pinning the version of listen to retain 2.0.0 compat

Gemfile

@@ -81,6 +81,7 @@ end
 
 group :development do
   gem 'guard'
+  gem 'listen', '< 3' # Used by guard. 3.0.0+ includes ruby_dep 1.5.0 which needs Ruby 2.2+
   gem 'guard-rspec'
   gem 'guard-livereload'
   gem 'growl'

Gemfile.lock

@@ -181,7 +181,7 @@ GEM
       railties (>= 3.0.0)
     faraday (0.8.7)
       multipart-post (~> 1.1)
-    ffi (1.9.10)
+    ffi (1.9.17)
     foreman (0.63.0)
       dotenv (>= 0.7)
       thor (>= 0.13.6)
@@ -195,9 +195,9 @@ GEM
     globalid (0.3.7)
       activesupport (>= 4.1.0)
     growl (1.0.3)
-    guard (2.12.6)
+    guard (2.14.1)
       formatador (>= 0.2.4)
-      listen (~> 2.7)
+      listen (>= 2.7, < 4.0)
       lumberjack (~> 1.0)
       nenv (~> 0.1)
       notiffany (~> 0.0)
@@ -220,7 +220,7 @@ GEM
       activesupport (>= 3.2, < 5)
     highline (1.6.20)
     hike (1.2.3)
-    hitimes (1.2.2)
+    hitimes (1.2.4)
     honeybadger (2.1.3)
     http_parser.rb (0.6.0)
     httparty (0.10.2)
@@ -253,7 +253,7 @@ GEM
       rb-inotify (>= 0.9)
     loofah (2.0.3)
       nokogiri (>= 1.5.9)
-    lumberjack (1.0.9)
+    lumberjack (1.0.11)
     mail (2.6.4)
       mime-types (>= 1.16, < 4)
     mailcatcher (0.6.0)
@@ -273,7 +273,7 @@ GEM
     multi_xml (0.5.3)
     multipart-post (1.2.0)
     mysql2 (0.3.18)
-    nenv (0.2.0)
+    nenv (0.3.0)
     net-scp (1.1.2)
       net-ssh (>= 2.6.5)
     net-sftp (2.1.2)
@@ -287,7 +287,7 @@ GEM
       pkg-config (~> 1.1.7)
     nokogumbo (1.4.7)
       nokogiri
-    notiffany (0.0.6)
+    notiffany (0.1.1)
       nenv (~> 0.1)
       shellany (~> 0.0)
     oj (2.1.4)
@@ -349,8 +349,8 @@ GEM
       activesupport (>= 3.0)
       i18n
       polyamorous (~> 1.2)
-    rb-fsevent (0.9.5)
-    rb-inotify (0.9.5)
+    rb-fsevent (0.9.8)
+    rb-inotify (0.9.8)
       ffi (>= 0.5.0)
     redcarpet (3.3.2)
     redis (3.0.6)
@@ -454,11 +454,11 @@ GEM
       joiner (>= 0.2.0)
       middleware (>= 0.1.0)
       riddle (>= 1.5.11)
-    thor (0.19.1)
+    thor (0.19.4)
     thread_safe (0.3.5)
     tilt (1.4.1)
     timecop (0.7.1)
-    timers (4.0.1)
+    timers (4.0.4)
       hitimes
     twitter (4.8.1)
       faraday (~> 0.8, < 0.10)
@@ -529,6 +529,7 @@ DEPENDENCIES
   httparty
   jquery-rails
   jquery-ui-rails
+  listen (< 3)
   mailcatcher
   mime-types (~> 2.99)
   mysql2 (> 0.3)