Removing stray jpg
Merge pull request #1233 from bcipolli/no_central_content_root

Eliminate central server's CONTENT_ROOT
KA supports es-ES, not es
small change in stop.bat
Update prev/next html to show progress, fix small splat hanlder to handle leaf nodes.
Merge pull request #1241 from aronasorman/305

Allow going to previous or next set of exercises
Merge branch 'release-0.11.1' of github.com:learningequality/ka-lite into big-ideas-demo

Conflicts:
	kalite/main/views.py
	kalite/settings.py
	kalite/shared/topic_tools.py
removing deleted middleware from settings.py
Merge pull request #1235 from learningequality/big-ideas-demo

Merging in i18n fixes from big ideas demo branch
Merge pull request #1240 from ruimalheiro/startfix

Fixed some bugs with start scripts and improved server stop scripts
Merge branch 'release-0.11.1' of github.com:learningequality/ka-lite into develop
disable download links; point to wiki install
Don't install any zone on setup.
Ensure english language pack upon migration.
Merge branch 'release-0.10.3' into disable_new_install
disable self-registration codepath
changing version to 0.10.3
Fixes css issue in #1209
Fixes css issue in #1209
Call code to move subtitles from old location to new, from setup / update