Refactored ITask and children.
Refactoring ITask class.
Documeentation for few methods at the AndroidAccountHelper class.
New helper class DataStreamWrapper - helps to open input stream for different resources
DataStreamWrapper - copyStream to output stream method was added.
Local cache prototype
Clear fragments backstack
In this commit:
- filechache license
- CheckGardware helper
- LAME & LameWrapper classes
Bitmap operations helper
Updated change log
Merge branch 'master' into API10

Conflicts:
	CHANGELOG
	V2AndLib-commonandroid/build.gradle
	V2AndLib-commonandroid/pom.xml
	V2AndLib-commonandroid/src/com/v2soft/AndLib/ui/fragments/BaseFragment.java
	V2AndLib-depredecated/build.gradle
	V2AndLib-depredecated/pom.xml
	V2Demo/src/com/v2soft/V2AndLib/demoapp/ui/fragments/DemoTricks.java
	V2Demo/src/com/v2soft/V2AndLib/demoapp/ui/fragments/OpenHelpersFragment.java