Please move HR portal documentation to its new space

Document the HR portal app in its new location:
http://wiki.rivetlogic.com/display/LRA/HR+Portal

Follow the same structure as the others apps' documentation there have. Specially this: http://wiki.rivetlogic.com/display/LRA/Announcer

Existing HR Portal documentation is here:
http://wiki.rivetlogic.com/display/HRPORTAL/Home
http://wiki.rivetlogic.com/display/HRPORTAL/HR+Portal+Installation+Instructions
http://wiki.rivetlogic.com/display/HRPORTAL/Source+Code+Repositories

Use this links:
Source code link is: https://github.com/rivetlogic/hr-portal
Issues link is: http://issues.rivetlogic.com/browse/LRA

Remember to include screenshots. You can access HR portal here:
http://hrportal62.ee.liferay-poc.vm.rivetlogic.com