Feature # 4473, 4495 - Work Shifts and Employee portlets.
Feature # 4496. Streamline the build process for eApp.
Bug # 4523. Locations portlet - package issues
Bug # 4520. Interview portlet - package name for service builder imports
is incorrect.
- Changed Workshift code to include service builder generated model
customization.

- Included build.sample.properties file for sdk project.

- Fixed some build related issues in the project workspace.
Added build.sample.properties file to sdk directory.
Build related fixes.