minor changes to bower and readme
Fixed relative custom imagePath option
Add 'fancytree-icon' class to icon IMG
Fixed persistence when node keys are numeric

Closed #217
[ext-columnview] Improved css
update grunt-contrib-connect
[ext-table] Make autoScroll work

New option 'scrollParent' is evaluated by node.scrollIntoView()
(which is also called on expand). This allows autoScroll to work with
[ext-table]: set scrollParent to `window` or a wrapper DIV with
overflow: auto.

Closed #215
merged #215
[ext-persist] optionally store information in localStorage

Closed #210
Allow ctrl+click to open link in new window
#64 [ext-filter] filterBranches() will restrict display to sub-trees

Closed #64
Allow sessionStorage for persistence
Update jquery.fancytree.table.js

Fix for node without children (autoScroll).
Merge pull request #225 from TheWild/patch-2

[ext-table] Fix for node without children (autoScroll).
Added scrollOfs option
Optionally use inline images for loading icon (data-uri)
Fixed calculation of scrolling offset
Merge pull request #229 from TheWild/patch-3

Fixed calculation of scrolling offset when topNode is set
Merge pull request #4 from mar10/master

Sync with master