Fix mini stats when expanded

Fixes #451
Rename section menu delete name

fixes #452
Rename 'notebook' and 'view' menu plugin files
Fix #462, rename 'notebook' and 'view' menu plugin files
Merge branch 'alee/fix-462' of https://github.com/twosigma/beaker-notebook into alee/fix-462
Merge pull request #463 from twosigma/alee/fix-462

Fix #462, rename 'notebook' and 'view' menu plugin files
Merge remote-tracking branch 'origin/master' into sjs/fix-mini-stats
Merge branch 'sjs/fix-mini-stats'
Merge pull request #461 from twosigma/sjs/452

Rename section menu delete name
add background, match colors from header
remove obsolete/duplicate readme
Merge pull request #464 from twosigma/spot/favicon

add background, match colors from header
Remove message logging for debug
Changed the impl of angularUtils.fcall so  take place properly
Merge pull request #477 from twosigma/alee/fix-minor

Change the implementation of angularUtils.fcall
fix angularUtils.fcall so it returns a then-able
Merge pull request #479 from twosigma/alee/fix-minor

fix angularUtils.fcall so it returns a then-able
Add header menu spacing for markdown cells

fixes #449
Handle input menu when collapsed