Added support for loading a retrieving asset level artifacts
Added support for loading global artifacts
Added workflow namespace to retrieve worklow definitions
Merge branch 'feature-services'
All asset types are not visible unless hidden by disabledAssets property
The landing page and disabledAssets can now be changed by app extensions
Added a callback which is called when the server configurations are loaded
Changed the landing page
Added support for changing landing page even if endpoints are not defined
Fixed pom parent relative path issue
Added testFailureIgnore property to compensate for tests not been executed properly
Merge pull request #140 from wso2-dev/master

Fix to prevent Jenkin build failure due to  pom error. (merging manually since bot's white list doesn't contain sameeram)