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.
closed #4070, Add method to reload cached texture & update the nodes used the texture.
closed #4070, Solve the compile error on android.
Merge branch 'master' into issue4070
closed #4070, Remove the method CCTextureCache::updateTexture().
Modify method of changing color and opacity
Merge branch 'master' into master_nutty_modify_framework_for315
Modify namespace from "gui" to "ui"
Add custom widget and reader
Merge branch 'master' into master_nutty_modify_framework_for315
Merge branch 'master' into master_nutty_modify_framework_for315
Add rich text
Fixed bug of bmfont
Remove richtext temply
Fixed build error
Modify mk files
Fixed bug of sample
Merge branch 'master' into master_nutty_modify_framework_for315
Fixed bugs of Flipping
Modify the mechanism of  add.*EventListener bound to lua for cocos2d ui