[Command] Deprecate usage of colons in command names.
[Command] Deprecate usage of colons in command names.

jjaffeux/RubyMotion,beni55/RubyMotion,katsuyoshi/RubyMotion,jjaffeux/RubyMotion,incbee/RubyMotion,jjaffeux/RubyMotion,HipByte/RubyMotion,katsuyoshi/RubyMotion,incbee/RubyMotion,beni55/RubyMotion,incbee/RubyMotion,HipByte/RubyMotion,beni55/RubyMotion,hboon/RubyMotion,HipByte/RubyMotion,beni55/RubyMotion,katsuyoshi/RubyMotion,jjaffeux/RubyMotion,hboon/RubyMotion,incbee/RubyMotion,katsuyoshi/RubyMotion,hboon/RubyMotion