added JuMP solvers
added cpu limit configuration.

also, hostname in container set to juliabox
handle expired/revoked google auth tokens. fix #42
Merge pull request #43 from tanmaykm/tanmaykm

Multiple changes/fixes
do not show tree on click of notebook iJulia icon
added google analytics tracking code
Merge pull request #44 from tanmaykm/tanmaykm

added google analytics and fixed click of iJulia icon on notebooks
log rotation and log file size limits
ssl support for nginx

Only instructions added and some sources corrected.
In a large setup, certificates will typically be configured before nginx.
Merge pull request #45 from tanmaykm/tanmaykm

log file limits & ssl support
attempt to fix docker trusted builds
Merge pull request #46 from tanmaykm/tanmaykm

attempt to fix docker trusted builds
additional timeout for deleting stopped containers
filter backups to reduce size

only retain user files and .juliabox folder that contain logs
Merge pull request #47 from tanmaykm/tanmaykm

enhancements for container management
Compile base.less
Merge remote-tracking branch 'origin/master' into ui-fixes

Conflicts:
	host/supervisord.conf