Fixed constant/counting iterator, scatter/gather. Fixed test cases
Merge branch 'develop' of https://github.com/HSA-Libraries/Bolt into latest_issues
Merge pull request #90 from shruti-ramesh/latest_issues

Fixes for a few failing test cases in scan_by_key & transform_scan
Merge branch 'develop' of https://github.com/HSA-Libraries/Bolt into latest_issues
Small fixes for CL compilation error and failing test cases
Merge pull request #91 from avinashcpandey/develop

Small fixes for CL compilation error and failing test cases
Merge branch 'develop' of https://github.com/HSA-Libraries/Bolt into latest_issues
Minor changes to test cases of scan & scan_by_key