closes #1935 staff 500 page
styling fix for 500 pg
WIP doing email stacktrace
make sure that the stacktrace gets logged and sent
upstart script to ensure /mnt perms are right (#1648)
celery workers should scale with cpu's (#1944)
/mnt perms: remove old code for creating /mnt in chef (#1648)
/mnt perms: make sure to create dir (#1648)
Merge branch 'sef-1648-mnt-perms' of https://github.com/Stanford-Online/class2go into sef-1648-mnt-perms
mnt perms: ditch upstart (#1648) also terminal color (#1961)
.bashrc - add comments to ease upgrade later
fixes #1917.  Say it ain't so, Joe.

I'm leaving this commit message obtuse also because it's fun to
figure out what this change fixes a db integrity bug.
missed one spot
scale long queue, not short (#1944)
Move the username message above link in hopes of alleviating some #622 pain
regexp matchin across lines for 5380 5380
Merge pull request #1965 from Stanford-Online/jinpa-master-email-username

Move the username message above link in hopes of alleviating some #622 p...
Merge pull request #1969 from Stanford-Online/jbau-better-regexp-mathjax

regexp matchin across lines
Fix formatting error in Linux section.
It needs a blank line to trigger a preformatted section.
Merge pull request #1970 from sethoscope/master

Fix formatting in Linux setup