[BACKLOG-174] - The command line import utility in 5.0.0 is over three times slower than 4.4.0 GA.
- Database
  - amount of separate queries objects to database is reduced by using batch mode
- RepositoryExportSaxParser
  - uses the only builder during export
- RepositoryImporter
  - get several small speed-ups
  - holds the only DocumentBuilder for creating DOM-documents instead of
    re-instantiating it each time
- XMLHandler
  - now obtains external builders
  - 'final' modifiers of static methods are removed as they are
    meaningless
- Import
  - improve readablitily a bit
BACKLOG-377 - CLONE - KTR file fails to open when "Table Output step is configured to use variable for Commit size"
BACKLOG-377 - CLONE - KTR file fails to open when "Table Output step is configured to use variable for Commit size" - Unit Test
Merge pull request #700 from SergeyTravin/BACKLOG-377

Backlog 377 CLONE - KTR file fails to open when "Table Output step is configured to use variable for Commit size"
[BACKLOG-523] Updated the error message when creating a duplicate folder name
Merge pull request #736 from bmorrise/dev

[BACKLOG-523] Updated the error message when creating a duplicate folder...
Merge pull request #667 from akhayrutdinov/BACKLOG-174

Backlog 174 - The command line import utility in 5.0.0 is over three times slower than 4.4.0 GA.
[BACKLOG-184] - PDI-5204 - Renaming a file in Kettle's repository explorer does not set comments in the commit. Commit merged from 83f405744082bcc6eb28d60cffbb2f79d626f1ab.
Applied ux recommendations regarding messages
Merge pull request #738 from webdetails/BACKLOG-184

[BACKLOG-184] - PDI-5204 - Renaming a file in Kettle's repository explor...
[BACKLOG-353] - introducing a menu list that supports variable substitution
Merge pull request #740 from kurtwalker/BACKLOG-353

[BACKLOG-353] - introducing a menu list that supports variable substitut...