Update plugin version

Gemfile.lock

@@ -10,11 +10,7 @@ GEM
       simplecov (>= 0.7)
       term-ansicolor
       thor
-    diff-lcs (1.2.5)
     docile (1.1.5)
-    json_spec (1.1.4)
-      multi_json (~> 1.0)
-      rspec (>= 2.0, < 4.0)
     mime-types (2.4.3)
     multi_json (1.10.1)
     netrc (0.7.7)
@@ -25,19 +21,6 @@ GEM
     rest-client (1.7.2)
       mime-types (>= 1.16, < 3.0)
       netrc (~> 0.7)
-    rspec (3.2.0)
-      rspec-core (~> 3.2.0)
-      rspec-expectations (~> 3.2.0)
-      rspec-mocks (~> 3.2.0)
-    rspec-core (3.2.1)
-      rspec-support (~> 3.2.0)
-    rspec-expectations (3.2.0)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.2.0)
-    rspec-mocks (3.2.1)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.2.0)
-    rspec-support (3.2.2)
     rubocop (0.29.1)
       astrolabe (~> 1.3)
       parser (>= 2.2.0.1, < 3.0)
@@ -60,6 +43,4 @@ PLATFORMS
 
 DEPENDENCIES
   coveralls
-  json_spec (~> 1.1.4)
   rubocop (~> 0.29.1)
-  simplecov

init.rb

@@ -23,7 +23,7 @@
     author 'Luis Maia'
     description 'This plugin allows the configuration of several IMAP and POP3 email accounts'\
     'from where emails can be fetch into Redmine'
-    version '0.3.0'
+    version '0.3.1'
     url 'https://github.com/luismaia/redmine_email_fetcher'
     author_url 'https://github.com/luismaia'
     requires_redmine version_or_higher: '2.1.0'