Adding doc/UnitTestGuide.md doc/LIbraryAgentDuality.md doc/FrequentlyAskedQuestions.md doc/ChoosingSpecificDevicesForExecution.md

Adding HSAEnablementOfLambdaBranchSidebar.md HowtosetupaHSAenabledLinuxPlatform.md HowtosetupaHSAsimulatoronaLinuxPlatform.md

Support for progress tracking and cancellation of multi-pass kernels

Added utility MultiPassKernelSwingWorker.java for simplified use of above from Swing.
Added related sample code.

Bugfixes

changed length/dim auxiliary parameters generation to be numbered (0, 1,
2) only for multi-dimensional arrays (this fixes some code generation
tests)

multidimensional arrays

generation stability (which was undermined by caching)

to assertEquals in order to better visualize generated code
misalignments (especially under Eclipse)

and caches are enabled

message

mistakenly pointing at OpenCL.Local and OpenCL.Constant, aimed at
parameters, rather than Kernel.Local and Kernel.Constant, aimed at
fields)

Align with latest APARAPI commits

Added support for metadata caching, FJ pool in JTP execution and minor speed-ups

Conflicts:
	com.amd.aparapi/src/java/com/amd/aparapi/internal/kernel/KernelRunner.java