wip
add parsing of overview content blob
initial implementation
get course updates API method
get course static tabs API methods
add unit tests
fix some merge conflicts and remove some extra print statements picked up in rebase
better constrain some of the course url regexs to expect a triple for courseId
Merge pull request #11 from edx-solutions/cdodge/sprint-H-api-work

Cdodge/sprint h api work