Fix moveTo when moving a node to same parent

close #258
Fix glyph expander sometimes disappears

Close #257
Update jquery.fancytree.edit.js

While node is in edit mode, typing the "Del" key during edit will cause the row to be deleted by the tree.
This edit swallows keydown events inside the input control and does not allow them to propagate to parent elements.
Merge pull request #276 from Bokkeman/patch-1

Update jquery.fancytree.edit.js - pressing `Del` during node edit causes node to be deleted.
postProcess allows to signal error conditions

Close #256
Close #111
Update sauce et.al.
Merge remote-tracking branch 'origin/master' into wide2