Removes cc.timeval and related classes

Instead it uses Date.now() which is compatible with JSB
and also JS friendly.
Merge pull request #727 from ricardoquesada/using_date_now

Removes cc.timeval and related classes
ant builds ok.

fixes for ant builder
Merge pull request #728 from ricardoquesada/build_xml_fixes

ant builds ok.
Merge pull request #726 from roed/master

Mouse: Right click event handlers added
fixed #1652: Rename cc.TEXTURE_2D_PIXEL_FORMAT_xxx to cc.TEXTURE_PIXELFORMAT_xxx
issue #1652: remove useless code
issue #1652: update tests commit ID
Merge pull request #729 from linshun/iss1652_texture2d

Rename cc.TEXTURE_2D_PIXEL_FORMAT_xxx to cc.TEXTURE_PIXELFORMAT_xxx
update build.xml files
update released file name
Merge pull request #731 from linshun/iss1655_buildxml

Iss1655 buildxml
update configuraions
Merge pull request #732 from linshun/iss1655_buildxml

update configuraions
fixed extension files dependency
update sample commit ID
Merge pull request #733 from linshun/iss1655_buildxml

Iss1655 buildxml
fixed potential memory leak in CCNode addChild
Merge pull request #734 from Wu-Hao/masterTeam

fixed potential memory leak in CCNode addChild
Fixed #1663 Ccbi extension auto-completion