BlackBerry project template updates

* Updated .cproject to use workspace_loc to enable copying the template out of the cocos2d-x tree.
* Updated bar-descriptor.xml to be more modern. Tested with Tablet OS 2.1.0 and BlackBerry 10 (10.1 and 10.2) SDKs.
* Removed now-unneeded empty file.
Fixed bug of scrollview
Fixed bugs.
Merge branch 'master' into master_nutty_modify_framework_modifyluapkg
Fixed bug of reader.
Fixed bugs.
Fixed bug of reader.
Fixed bugs of copying layout parameter
Add copy method to LayoutParameter
Merge branch 'master' into master_nutty_modify_framework_modifyluapkg
Fixed bug of label
Merge branch 'master' into master_nutty_modify_framework_addlayoutparameterclone
Optimize scissor clipping
Merge branch 'master' into master_nutty_modify_framework_addlayoutparameterclone
closed #4070, Add method to reload cached texture & update the nodes used the texture.
fixed CocoStudio SceneTest crash when it quits.
closed #4070, Solve the compile error on android.
Add methods for editor
Merge branch 'master' into master_nutty_modify_framework_addlayoutparameterclone
Fixed bug of Scrollview