Merge pull request #103 from Koloto/master

nodeSetExpanded: support undefined flag
fixed #104
fixed #105
ext-persist: new method tree.getPersistData()
worked on ext-edit
ext-edit: new options adjustWidthOfs and inputCss; detect unchanged titles.
New test for lazy loading using promises
removed inline edit sample (replaced by ext-edit)
fixed #67 (thanks to Aleksey)
Merge branch 'master' of https://github.com/mar10/fancytree
optimized gruntfile
tabfix
prepare 2.0.0-6
new keys
Fixed test for IE 6-8
Added browser status matrix
Update changelog
xml compliant tags for ext-table
Removed 'name' argument from +$.ui.fancytree.registerExtension() (now the extension object requires a 'name' property)
ext-table: fix for xhtml