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
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
showing proper error when user tries to register with an email already registered
don't hide activation error from user
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
Migrating model syncing to a (static) class, rather than flat functions shared through settings.py
Migrating model syncing to a (static) class, rather than flat functions shared through settings.py.  Similar for device_counting.
Merge branch 'syncing_models' of github.com:bcipolli/ka-lite into syncing_models

Conflicts:
	kalite/securesync/models.py
Merge remote-tracking branch 'origin/syncing_models' into syncing_errors_bug

Conflicts:
	kalite/settings.py
Propagating syncing errors, reporting errors and exceptions to user
propagate server error information to client
updated documentation.  made central_server_host refer to the actual HTTP_HOST, and only expose it through main/custom_context_processors.py.  Make back-end email run through local_or_ code
updated documentation.  made central_server_host refer to the actual HTTP_HOST, and only expose it through main/custom_context_processors.py.  Make back-end email run through local_or_ code
Merge branch 'urls' of github.com:bcipolli/ka-lite into urls

Conflicts:
	docs/TESTBED.md