Fixed Bugs

#2298 TargetProcess does not support any culture except en-US
#2293 If user role has no access right to edit features, he is still able to access batch actions.
#2296 Individual Velocity Report DivideByZeroException
#2291 Burn-down chart System.NullReferenceException at Tp.Reports.IterationBurnDownInHoursReport.get_DataSource()
#2300 Old online User guide replaced to v.2.5 user guide
#2299 Clicking requestor name in project/help desk/view request/Requesters causes System.ArgumentOutOfRangeException
* Subversion integration repared
* Some minor grammatical errors fixed