adding suitable usr*bin*ruby snippets for linux

extras/imported/ruby-mode/Declarations/usrbinenvruby-w.yasnippet

@@ -1,7 +1,6 @@
 # -*- mode: snippet -*-
 # key: rb
 # contributor: Translated from TextMate Snippet
-# name: #!/usr/bin/env ruby -wKU
-## condition: "source.ruby"
+# name: #!/usr/bin/env ruby
 # --
-#!/usr/bin/env ruby -wKU
+#!/usr/bin/env ruby`yas/ruby-shebang-args`

extras/imported/ruby-mode/Declarations/usrbinruby-w.yasnippet

@@ -0,0 +1,6 @@
+# -*- mode: snippet -*-
+# key: rb
+# contributor: Translated from TextMate Snippet
+# name: #!/usr/bin/ruby
+# --
+#!/usr/bin/ruby`yas/ruby-shebang-args`

extras/imported/ruby-mode/Declarations/usrlocalbinruby-w.yasnippet

@@ -0,0 +1,6 @@
+# -*- mode: snippet -*-
+# key: rb
+# contributor: Translated from TextMate Snippet
+# name: #!/usr/bin/local/ruby
+# --
+#!/usr/local/bin/ruby`yas/ruby-shebang-args`