Code review comment for lp:~deeptik/lava-test/openposix

This patch addresses the review comments and includes the following changes:

1) Added the boilerplate gpl3 + linaro copyright
2) Modified the patch to include the openposix testsuite that is part of ltp
3) Improved the Regular expression to take care of the new format of the logs that is generated by openposix present in ltp
4) Verified that the parsing does not report duplicate records.