Attempt at fixing strange Chrome problem with in-line reports.
Merge branch 'master' of http://github.com/Stanford-Online/class2go into
dca_new_working2

Conflicts:
	main/templates/reports/in_line.html
Merge branch 'master' of http://github.com/Stanford-Online/class2go into dca_new_working2
Work for #2130 (Parameterise values for quizzes summary in-line report).
Merge branch 'master' of http://github.com/Stanford-Online/class2go into dca_new_working2
Merge branch 'master' of http://github.com/Stanford-Online/class2go into dca_new_working2
Merge branch 'master' of http://github.com/Stanford-Online/class2go into dca_new_working2
Added example reports some of the report tabs.
inline report functionality and style changes
added new python method to get time and fixed clock timezone issue
Fix unit tests, code for registration process

* Makes c2g unit tests for registration process pass
* Makes code and unit tests agree about policies
* Enables c2g unit tests for registration process during default run
* Doesn't touch non-c2g registration unit tests, and a number of those
  are still broken
Merge pull request #2198 from Stanford-Online/giulio-retinize-2155

changed BG and well colors
changed clock to use TIME_ZOME var in settings.py
Merge pull request #2200 from Stanford-Online/giulio-navbar-clock-1979-2

added new python method to get time and fixed clock timezone issue
Import os in database_example
(closes #2196) Only do the unsaved changes check for non-video pages
In-line report; more changes.
clarify that DATABASES['readonly'] is optional
Merge pull request #2203 from Stanford-Online/jrbl-2176-database_example_os_fix

Import os in database_example
made clock more mobile and resource friendly