remove lock file from repo and make it work on allrubies

.gitignore

@@ -10,6 +10,7 @@ doc
 
 # bundler
 .bundle
+Gemfile.lock
 
 # jeweler generated
 pkg

Gemfile

@@ -3,15 +3,27 @@ source "http://rubygems.org"
 # Example:
 #   gem "activesupport", ">= 2.3.5"
 
-gem "moneta", "~> 0.7.20"
-gem "highline", "~> 1.6.2"
+if RUBY_VERSION.to_f > 1.8
+  gem "moneta"
+  gem "highline"
+else
+  gem "moneta", "~> 0.7.20"
+  gem "highline", "~> 1.6.2"
+end
+
 gem "bcrypt"
 
 # Add dependencies to develop your gem here.
 # Include everything needed to run rake, tests, features, etc.
 group :development do
-  gem "rspec", "~> 2.4"
-  gem "rdoc", "~> 3.8"
   gem "mocha"
-  gem "jeweler", "~> 1.6"
+  if RUBY_VERSION.to_f > 1.8
+    gem "rspec"
+    gem "rdoc"
+    gem "jeweler"
+  else
+    gem "rspec", "~> 2.4"
+    gem "rdoc", "~> 3.8"
+    gem "jeweler", "~> 1.6"
+  end
 end