More robustly create and set default facility.
Initialize a facility only during install_fresh, to avoid resetting default facility.
Merge pull request #1860 from bcipolli/397

Create a default facility at install time
Change 'change password' button to 'edit account preferences.'
Show username & points (optional) in sitepoints element; change navbar.
Merge pull request #1842 from bcipolli/1312

#1312: Compromise on home link, improving progress navbar link
Fix for #1854: Change "mastery of topics" to "progress report"