Merge pull request #66 from jassal/K2

K2
WF-1610, WF-1606, WF-1607 - Implemented
Fix for PXEI-910
WF-1609 - Fixed update vacation design and validations.
Merge pull request #67 from bapiraju/K2

K2
Fixing EDGE-3802 : Rectifying the directory path to search project name and metadata.xml file
TESTCASE-9 : Changed version to 7.0.0
WF-1639 - Fixed, Element name changed to vacation in wsdl
WF-1609, WF-1640 - Fixed, Combobox implemented for user and substitute, style changes.
WF-1609 combobox code fixed
WF-1610 - Remove substitute from task owners once the user vacation ends
WF-1609 - Fixed disable method in combobox widget code
WF-1608 - Implemented Audit Trail for vacation actions
WF-1609 - vacation ui combobox style fixed.
WF-1642 - create and update vacation validations fixed.
WF-1644 - Case sensitivity issue fixed
WF-1650 - amSchedulerInterval  minimum interval value validated
WF-1647 - validated to avoid fetch past vacations
WF-1649 - Validated to avoid overlap vacation dates for same user
WF-1646 - Once vacation starts user can update todate and description only