[PDI-7241] removed option 'retrive unread' from transformation step
dialog and job entry dialog. Added handling for backward compatibility
with ktr/kjb created in previous versions.
PDI-4589 : Execution History - Log table change is only picked up after reopening a transformation or job
Merge pull request #104 from prakapenka/PDI-7241

[PDI-7241] Unable to retrieve Unread E-mails when using Email Message Input step.
Merge pull request #126 from pavel-sakun/PDI-4589

PDI-4589 : Execution History - Log table change is only picked up after reopening a transformation or job
[PDI-6932] - provide comparator to sort by date (not string)

add comparatorBinding to xul markup
implement simple comparator for UIRepositoryObject
add unit test for comparator
after several attempts gave up idea tyo implement Xul UI unit test
simulating the entire (mis)behavior:
to many issues with Xul SWT implemantation
Merge pull request #114 from mtseu/pdi-6932

Pdi 6932 - enable date-sorting in repository explorer