[TA-814] - Populate Roles with permission by looking at configuration available in automation.xml
(TA-884) - added new method to apply security passing policy path
fixing findbug errors
Refactored User Populator
Merge branch 'master' of https://github.com/amalkasubasinghe/carbon-platform-integration-utils into amalkasubasinghe-master

Conflicts:
	common-framework-extensions/src/main/java/org/wso2/carbon/integration/common/extensions/usermgt/UserPopulateExtension.java
Fixing User populator for pull request 7
Merge branch 'amalkasubasinghe-master'