Change initial nav bar config to be collapsed

Our usual use case for dashboards is to view them rather than edit them so it would be better if the navigation bar was collapsed by default when the dashboard is first opened. This is particularly useful for wall monitors that sometimes reboot and need manual intervention to collapse the navigation bar at the moment.
Merge pull request #985 from betgenius/master

Change initial nav bar config to be collapsed
Fix for DST issues in master branch (issue #810)

Backport of
https://github.com/brutasse/graphite-api/commit/c8854f584b4ba216f9706fa5bf42597a4f9c969c
https://github.com/brutasse/graphite-api/commit/a0ae47023cce8fe7dc2815c8ed46ffc16f3bdefe
to master.
Oops, wrong epoch conversion
Right (tm) test provided, fix in attime also backported
Finishing touches, fixing import warnings
Merge pull request #991 from deniszh/master_dst_fixes

Master DST fixes
Fix lint build
Merge pull request #992 from brutasse/fix/lint

Fix lint build
Added Instagram

Added Instagram to the "Who is using Graphite" list
Removed YouTube link
Merge pull request #993 from ramuta/patch-1

Added Instagram
Update who-is-using.rst
Merge pull request #998 from leizha/patch-1

Update who-is-using.rst
Sort who-is-using.rst
Add GitHub
rst is silly
Merge pull request #999 from jssjr/add_github

Add GitHub to who-is-using.rst
add Dyn
Merge pull request #1000 from obfuscurity/master

add Dyn