gitignore.erb in ggem-1.2.0

- old
+ new

@@ -1,6 +1,20 @@
-pkg/*
-.bundle
 *.gem
 *.log
+*.rbc
+.bundle
+.config
+.yardoc
 .rvmrc
 .rbenv-version
+Gemfile.lock
+InstalledFiles
+_yardoc
+coverage
+doc/
+lib/bundler/man
+pkg
+rdoc
+spec/reports
+test/tmp
+test/version_tmp
+tmp