T4 Add New Opportunities Page

* p. 24 Requirements Doc.
* remove ‘Alert Page’
* create new Opportunities Page
* Documentation: http://jengeeks.wordpress.com/gsoc-2014/documentation/#OpportunitiesPage
* Unit Tests: http://jengeeks.wordpress.com/gsoc-2014/unit-tests
This is just for fine tuning. Indentation: always better to use tabs to indent your code ;) - https://wiki.ushahidi.com/display/WIKI/Coding+Style+Guide