Remove generated files and add .gitignore

.gitignore

@@ -0,0 +1,3 @@
+*.gem
+Gemfile.lock
+tmp

Gemfile.lock

@@ -1,24 +0,0 @@
-GEM
-  remote: http://rubygems.org/
-  specs:
-    diff-lcs (1.1.2)
-    flexmock (0.8.11)
-    net-dns (0.6.1)
-    rspec (2.0.1)
-      rspec-core (~> 2.0.1)
-      rspec-expectations (~> 2.0.1)
-      rspec-mocks (~> 2.0.1)
-    rspec-core (2.0.1)
-    rspec-expectations (2.0.1)
-      diff-lcs (>= 1.1.2)
-    rspec-mocks (2.0.1)
-      rspec-core (~> 2.0.1)
-      rspec-expectations (~> 2.0.1)
-
-PLATFORMS
-  ruby
-
-DEPENDENCIES
-  flexmock
-  net-dns
-  rspec