moved jstree to common js folder

jstree will be used by multiple plugins
update jquery-ui to 1.10.3
added bp plugin
bp: implemented edit mode
bp: refresh works now
bp: rename implemented
bp: implemented node removal
bp: distinguish between short description and plugin output
bp: use last_check and duration from livestatus if available
bp: implemented adding new nodes
bp: add description
bp: implemented gt, lt and =
bp: make sure menu does not overlap
bp: add wrench icon for easy context access
bp: added more tests
added docs
bp: make sure business processes will be updated automatically
bp: implement background refresh
bp: fill in current value on edit
bp: implemented edit