Merge pull request #98 from chaturadilan/master

Fix issues
Fix for : The values of Access Policies are reset every time a new web application resource is added
Fix for : The values of Access Policies are reset every time a new web application resource is added
Additional fixes suggested in patch review
Merge pull request #100 from tgtshanika/master

Additional fixes suggested in patch review
Fixing issue APPM-241
Rename ApiMgtDAO class as AppMDAO.
Rename APIUtil as AppManagerUtil.
Merge pull request #99 from lahiru823/master

Fix for : Access Policy - not persisted [UI]
Merge branch 'master' of github.com:wso2/app-manager