changed 'Add/Edit projects' to 'Add contributions'
added two other links - find project, and add project's bugs' - links for usability
oops! added updated links to link text for 'find project' and 'add project's bugs'
Merge branch 'cleanup/issue836'

Closes: http://openhatch.org/bugs/issue836

Huge thanks to Flora for putting these together at PyCon sprints!