Capacity Planning Tool #636

Solution to Issue at #636 
Auto-Fetch added to operations in Production Order DocType
made operations in production order read-only
capacity & duration of cycle added to workstation
workstation operation timings added
operation master added, Time log added
Time Log Fixed
Test Records added to Production Order
Test Records for over Production Time Log added
Validation added to check if time log timings are within working hours of the workstation.
Validation added to check if workstation is closed on time log dates.
Test cases added for Time Log
Holiday List - on save name format Changed
workstation based filter added to time log

Actual operating cost, Actal operating time added to 'production order operations' - auto fetched based on 'time log' creation
'make time log' button appears only if 'production order' document is submitted
server side validation added to check if 'Production Order' mentioned on 'Time Log' is in submit state
test cases added to check all of the above