adds platform switch (ruby, jruby) for rmagick

Gemfile

@@ -1,3 +1,3 @@
 source "http://rubygems.org"
 
-gemspec
+gemspec

Gemfile.lock

@@ -2,7 +2,12 @@ PATH
   remote: .
   specs:
     easy_captcha (0.4.6)
+      bundler (~> 1.0.0)
       rails (>= 3.0.0)
+      rmagick (>= 2.13.1)
+      rspec (~> 2.6.0)
+      simplecov (>= 0.3.8)
+      yard (>= 0.7.0)
 
 GEM
   remote: http://rubygems.org/
@@ -47,7 +52,7 @@ GEM
       mime-types (~> 1.16)
       treetop (~> 1.4.8)
     mime-types (1.17.2)
-    multi_json (1.0.3)
+    multi_json (1.0.4)
     polyglot (0.3.3)
     rack (1.4.1)
     rack-cache (1.1)
@@ -74,6 +79,7 @@ GEM
     rake (0.9.2.2)
     rdoc (3.12)
       json (~> 1.4)
+    rmagick (2.13.1)
     rspec (2.6.0)
       rspec-core (~> 2.6.0)
       rspec-expectations (~> 2.6.0)
@@ -96,15 +102,11 @@ GEM
       polyglot
       polyglot (>= 0.3.1)
     tzinfo (0.3.31)
-    yard (0.7.2)
+    yard (0.7.3)
 
 PLATFORMS
   java
   ruby
 
 DEPENDENCIES
-  bundler (~> 1.0.0)
   easy_captcha!
-  rspec (~> 2.6.0)
-  simplecov (>= 0.3.8)
-  yard (>= 0.7.0)

easy_captcha.gemspec

@@ -23,30 +23,20 @@ Gem::Specification.new do |s|
   s.summary = %q{Captcha-Plugin for Rails}
 
   s.executables   = `git ls-files -- bin/*`.split("\n").map{ |f| File.basename(f) }
+  s.test_files    = `git ls-files -- {spec}/*`.split("\n")
   s.require_paths = ["lib"]
 
-  if s.respond_to? :specification_version then
-    s.specification_version = 3
-
-    if Gem::Version.new(Gem::VERSION) >= Gem::Version.new('1.2.0') then
-      s.add_runtime_dependency(%q<rails>, [">= 3.0.0"])
-      s.add_development_dependency(%q<bundler>, ["~> 1.0.0"])
-      s.add_development_dependency(%q<simplecov>, [">= 0.3.8"])
-      s.add_development_dependency(%q<rspec>, ["~> 2.6.0"])
-      s.add_development_dependency(%q<yard>, [">= 0.7.0"])
-    else
-      s.add_dependency(%q<rails>, [">= 3.0.0"])
-      s.add_dependency(%q<bundler>, ["~> 1.0.0"])
-      s.add_dependency(%q<simplecov>, [">= 0.3.8"])
-      s.add_dependency(%q<rspec>, ["~> 2.6.0"])
-      s.add_dependency(%q<yard>, [">= 0.7.0"])
-    end
+  s.add_dependency('rails', [">= 3.0.0"])
+  s.add_dependency('bundler', ["~> 1.0.0"])
+  s.add_dependency('simplecov', [">= 0.3.8"])
+  s.add_dependency('rspec', ["~> 2.6.0"])
+  s.add_dependency('yard', [">= 0.7.0"])
+
+
+  if defined?(PLATFORM) && PLATFORM == 'java'
+    s.add_runtime_dependency('rmagick4j','>= 0.3.7')
   else
-    s.add_dependency(%q<rails>, [">= 3.0.0"])
-    s.add_dependency(%q<bundler>, ["~> 1.0.0"])
-    s.add_dependency(%q<simplecov>, [">= 0.3.8"])
-    s.add_dependency(%q<rspec>, ["~> 2.6.0"])
-    s.add_dependency(%q<yard>, [">= 0.7.0"])
+    s.add_runtime_dependency('rmagick','>= 2.13.1')
   end
 end