PDI-11079 : Improve the source code by using CheckStyle as a guideline
[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
PDI-11079 : Improve the source code by using CheckStyle as a guideline
Merge branch 'master' of github.com:pentaho/pentaho-kettle
PDI-11079 : Improve the source code by using CheckStyle as a guideline
PDI-11079 : Improve the source code by using CheckStyle as a guideline
PDI-11079 : Improve the source code by using CheckStyle as a guideline
PDI-11079 : Improve the source code by using CheckStyle as a guideline + NON-NLS Cleanup
PDI-11079 : Improve the source code by using CheckStyle as a guideline
PDI-11079 : Improve the source code by using CheckStyle as a guideline
PDI-11079 : Improve the source code by using CheckStyle as a guideline
PDI-11079 : Improve the source code by using CheckStyle as a guideline
PDI-11079 : Improve the source code by using CheckStyle as a guideline
PDI-11079 : Improve the source code by using CheckStyle as a guideline
PDI-11079 : Improve the source code by using CheckStyle as a guideline
PDI-10968: Fixed timestamp issues in calculator step, added default return types to CalculatorMetaFunction, added test class and test (Creates timestamp from constant and adds days to timestamp)
Merge pull request #146 from rpbouman/PDI-10968

PDI-10968: Fixed timestamp issues in calculator step, added default retu...