[SP-1429] - Backport of BISERVER-11952 - Failed to import Samples (5.1)

fix isValidVersion - made TRUNK version of reports always valid
Merge pull request #459 from aliakseihaidukou/SP-1429

[SP-1429] - Backport of BISERVER-11952 - Failed to import Samples (5.1)
SP-1397 Backport of PRD-5176 - Blank values for the whole column when the first value in that column is NULL in the generated PRPT report - e.g. Excel (5.1)

NULL field fixed
BISERVER-11651 - Trying to use attributes before they have been computed broke image maps. Same happens
  for styles, which were marked as inline as no data-storage had been set yet.  (needed to get the test running correctly).
BISERVER-11651 - Providing tooltip-formula in report chart properties leads to error message when using Internet Explorer

What was done:
1)added href="#" to prevent the link from being opened
PRD-5180 - Fine tune logging, better comments
PRD-5180 - An invalid overflow-height calculation triggered a cascade of events that leads to data-errors in exported reports.
PRD-5180 - Created a test case to validate that the bug is fixed and updated the golden samples to cover this new report.
Merge pull request #466 from kolinus/SP-1401

Sp 1401 - Regression of BISERVER-11651 - Providing tooltip-formula in report chart properties leads to error message when using Internet Explorer (5.1)
BISERVER-11952 - Version helper parser update to handle current and past version number schemes.
The SNAPSHOTS are now mapped into the '999' number range as expected by the reporting engine
and post-5.0 version numbers and patch releas and build numbers are handled correctly.

Without this change, the reporting engine tests will not run correctly.
Merge pull request #470 from tmorgner/BISERVER-11952-51

BISERVER-11952 - Version helper parser update to handle current and past...
Merge pull request #462 from AliaksandrDrebenchuk/SP-1397

SP-1397 Backport of PRD-5176 - Blank values for the whole column when the first value in that column is NULL in the generated PRPT report - e.g. Excel (5.1)
SP-1378 - Regression of PRD-5169 - Same Query column name and parameter name creates issue. (5.1)

Add refresh operation of paddingData between parameterDataRow and expressionDataRow
PRD-5169 - Golden sample update after fix
Merge pull request #468 from annapopova1/SP-1378

SP-1378 - Regression of PRD-5169 - Same Query column name and parameter ...