fix module docstring with authors, update copyright line (2013)
fix disabling of optarch toolchain option + extend unit tests to also test disabling of toolchain options
Merge pull request #511 from boegel/disable_optarch

fix disabling of optarch toolchain option
purge before loading module for running test cases + some code refactoring
fix remarks
Merge pull request #510 from boegel/authors

fix module docstring with authors, update copyright line (2013)
Merge pull request #512 from boegel/purge_before_test_cases

purge before loading module for running test cases + some code refactoring
clean up log files for --job and --regtest
Merge pull request #513 from boegel/cleanup_logs

clean up log files for --job and --regtest
bump version to 1.2.0rc1
update release notes for v1.2.0