Hide the sidebar if it's empty.

When updating the view check to see if the sidebar
contains any visible children elements. If not,
hide it.
Hide filters and fields by default
Merge master into 309-expand-content-when-sidebar-empty
[#309] Fix rendering of fields widget in IE7.
[#309] Small JS fix for IE7.

Extra comma in object literal removed.
Merge pull request #309 from okfn/309-expand-content-when-sidebar-empty

Expand main content view if sidebar is empty
Merge remote-tracking branch 'origin/master' into 310-hide-filters-fields
Merge pull request #310 from okfn/310-hide-filters-fields

Hide filters and fields by default
[#314,be/solr][s]: minor extra solr reference to remove missed in /6f82c4c5ccd2367384ef8f1cb4fc296ed4a34e97.
[#314,couchdb][s]: remove couchdb backend as now in its own repo at https://github.com/Recline/backend.couchdb.
[#324] Bug fix: fix tooltip content and placement in flot bar graph.
[xs] Bug fix: dataset is already defined.
[#324] Show full labels on flot bar y-axis
Merge pull request #324 from okfn/324-flot-bar-fixes

Bugs in flot bar graph
[#324] Bug fix: call view.show after determining sidebar visibility

Makes sure that views that need to know their
maximum width before redrawing don't draw over
the sidebar.
Merge pull request #325 from okfn/324-flot-bar-fixes

Bug fix: call view.show after determining sidebar visibility
Date bug corrected, fixes #327
Merge pull request #328 from markbrough/master

Fix bug with dates, fixes #327 - thx to @markbrough.
Show field labels rather than id on legend
Merge pull request #329 from markbrough/master

[flot][xs]: Show field labels rather than id, e.g. on legend.