migrated all urls.  All urls / domains / hosts come from settings now, except for .md docs
removing 'getting started' template and urls; no longer used--instead we point to the wiki from the homepage
Merge remote-tracking branch 'upstream/develop' into urls

Conflicts:
	kalite/templates/central/landing_page.html
shortening use of localsettings into function, applying to all options to allow easier debugging/config
fixing bug in using template value, replacing url from merge, initial version of localor to allow easier testing
Merge remote-tracking branch 'origin/localor' into urls

Conflicts:
	kalite/settings.py
making SECURESYNC_PROTOCOL a settings, so debugging becomes easy
adding documentation for setting up testbeds
proper formatting, completed documentation for all 3 listed scenarios
making changes based on feedback; changing function name to more pythonic name that also suggests the meaning better
Merge remote-tracking branch 'origin/syncing_models' into syncing_errors_bug

Conflicts:
	kalite/settings.py
Propagating syncing errors, reporting errors and exceptions to user