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Merge remote-tracking branch 'upstream/master'
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filesystem tweak

updated filesystem code to behave more like android and iOS
implementation
cleaned up code

removed unnecessary 'this' reference when it wasn't needed.
Merge pull request #215 from ssaracut/filesystem-tweak

Filesystem tweak
Merge branch 'master' of github.com:appcelerator/titanium_mobile_blackberry into timob-16833

Conflicts:
	src/tibb/Modules/Filesystem/TiFilesystemModule.cpp