Paver should install requirements/private.txt
Rename metrics so that we capture checks as well as scores and number of attempts
Remove a method call which depends on IPython.

Because IPython is not part of edx-platform dependencies, the
method assert_in has to be defined.
Merge pull request #3179 from cpennington/problem-check-metrics

Rename metrics so that we capture checks as well as scores and number of attempts
Merge pull request #3170 from edx/valera/remove_ipython_dependent_methods

Remove a method call which depends on IPython.
Merge pull request #3178 from edx/ned/private-requirements-in-paver

Paver should install requirements/private.txt
Reorganizatio of Setting up Course

DOC-188
Merge pull request #3165 from edx/markhoeber/documentation/doc-188

Initial Reorg of Setting up Course
Implement editing from the Studio container page.

STUD-1306
Make tab name comparison case-insensitive
making chrome scroll up when showing the component menu on the Studio unit page
Refactor test logic for switching editor tabs
maintain scroll position after closing the component editing modal in Studio
small ui fixes in Studio - textbooks upload and loading font-size
removed edit-dialog and uploads css, changed component edit icon to pencil, small css fixes
Fix unit tests
fixed mixin sass
Changes based upon code review comments