missing content pages
Merge pull request #698 from bcipolli/landing_page_changes

Tweaks to content pages, landing page
Merge branch 'release-0.10.1' of github.com:learningequality/ka-lite into release-0.10
Merge branch 'release-0.10' of github.com:learningequality/ka-lite into generic-cronserver
Merge branch 'generic-cronserver' of github.com:bcipolli/ka-lite into generic-cronserver
fixing cronserver, missed changes to uninstall, remove REM'd @echo off 's