[PDI-10768] - Ingres VectorWise Loader step - Use authentication? check-box value doesn't save.
PDI-7866 - Text File Input step does not provide precision data when doing the 'Get Fields' operation
PDI-10242 - CSV Input Step - Unable to pass file encoding as parameter

What was done:
1) added variable resolution to Get Fields button

No unit test as this part is UI-related issue
PDI-9555 - Webservice via /kettle/executeTrans - Pass output to servlet
option: getServletPrintWriter does not respect UTF-8 encoding

What was done:
1) added new variable KETTLE_DEFAULT_SERVLET_ENCODING
2) changed the way PrintWriter for servlet output is instantionated.
3) changed the way Trans creates servletPrintWriter
http://jira.pentaho.com/browse/PDI-11502 updates and unit tests for Postgres bulk loader meta-injection
PDI-11357 Unable to save changes to transformation with 'Batch size' wiped out
[PDI-9411] Data Validator step fails to create fields for Sub-Transformation step
PDI-6637, PDI-11341 - unit test - ODS files are wrongly imported
PDI-6637, PDI-11341 - fix - ODS files are wrongly imported
PDI-11319 - fix - IfNull step 'Set empty string' forward incompatibility
PDI-11319 - unit test - IfNull step 'Set empty string' forward incompatibility
[PDI-8786] User Defined Java Class Step : "Unable to open dialog for this step"
Fix checkstyle violations
Merge pull request #359 from pavel-sakun/fix-checktyle-violations

Fix checkstyle violations
Merge pull request #354 from dbahdano/PDI-6637

PDI-6637, PDI-11341 Open Office ods files wrongly imported
PDI-11373 - Database Join step fails with Number of rows to return on
MySQL

junit tests added
PDI-11373 - Database Join step fails with Number of rows to return on MySQL

fix provided
Merge pull request #355 from dbahdano/PDI-11319

PDI-11319 IfNull step "Set empty string" forward incompatibility
PDI-9671 Palo Cell Output step does not show error dialog
Merge pull request #316 from kolinus/PDI-9555

PDI-9555 - Webservice via /kettle/executeTrans - Pass output to servlet option: getServletPrintWriter does not respect UTF-8 encoding