a few fixups
Merge pull request #881 from jamalex/postmark_test_mode

Added default settings for Postmark, to have it automatically use test mode rather than failing
Properly set permissions on executable scripts during zipping.
Add newlines to generated install_from_zip commands to avoid errors.
Corrected CC link/image to CC-BY-NC-SA 3.0
Merge pull request #885 from jamalex/fix_installer_zipping

A few fixes to get zipped installer working correctly
Move file
Update file to loop through all locale paths, and skip directories that don't exist.
Merge branch 'release-0.11' of github.com:learningequality/ka-lite into develop

Conflicts:
	scripts/optimizerpi.sh
Merge branch 'develop' of github.com:learningequality/ka-lite into missing-locale
Fix ensure_dir: check that path is actually a directory path
Comment on ensure_dir function
Correct typo in search_autocomplete.js
Add functionality on Raspberry Pi to set server date and time from web interface
Merge pull request #887 from b3b/develop

Fix ensure_dir: check that path is actually a directory path
Moved utils to shared where appropriate; fixed naming
Adding updated data file (this can be reused by master, so keeping in version control)
Merge pull request #886 from bcipolli/missing-locale

Don't fail on missing locale directory
Append startup username to cache directory
hints no longer reset points if you've correctly answered the question (until the next question begins!)