Increased global font size, increased font weights and added favicon
Merge pull request #2192 from Stanford-Online/giulio-retinize-2155

Increased global font size, increased font weights and added favicon
added new python method to get time and fixed clock timezone issue
changed BG and well colors
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
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
stop running obsolete problemset tests (were skipped anyway)
fixed landing page css bug
Merge pull request #2201 from Stanford-Online/jrbl-registration_unit_tests

Fix unit tests, code for registration process
Merge pull request #2204 from Stanford-Online/jbau-2196-vid-progress-fix

(closes #2196) Only do the unsaved changes check for non-video pages
Merge pull request #2181 from Stanford-Online/dca_new_working2

Work on reports (#2106, #2130 and #2180)
Merge pull request #2206 from Stanford-Online/giulio-navbar-clock-1979-3

Clock is now more mobile and resource friendly
hotfix leftnav height/spacing