Added test cases; Fixed device_vector size check; Marked a bug
Merge branch 'develop' of https://github.com/HSA-Libraries/Bolt into test_branch
Merge branch 'test_branch' of https://github.com/shruti-ramesh/Bolt into test_branch
Fixed warnings for 32-bit builds
Merge branch 'develop' of https://github.com/HSA-Libraries/Bolt into test_branch
Added copy pick iterator for device vector tag input and random access iterator tag output, also added more test cases for the same