scratch added
a bit refactoring for open formula UI ++ some bugfixes
some notes to eliminate random test fails added (for future developers)
some notes about deprecation added
removed unnecessary boolean value
Merge pull request #258 from tmorgner/master

PRD-4747: Sparklines used an xml-element that did not match the element-...
Merge pull request #259 from tmorgner/master

PRD-4747 - Subgroup body needed extra registration
PRD-4747 - data-body uses non-standard naming
Merge pull request #260 from tmorgner/master

PRD-4747 - data-body uses non-standard naming
PRD-4691: Handle formulas with unbalanced parenthesis in inner formulas.  Added several test cases.
PRD-4691: Check count before indexing.
PRD-4691: Allow for tab between textfields and have parameter field evaluated properly.  Added some null guards.
Merge pull request #262 from pentaho-skarmali/PRD_4761_handle_tabbing_formula_parameter_fields

PRD-4691: Allow for tab between textfields and have parameter field eval...
Merge pull request #261 from pentaho-skarmali/PRD_4691_nested_function

Prd 4691 nested function
override subfloor and do nothing since we have no source dir
Code cleanup; convenience method added
Bulk-Attributes can swallow genuine errors, so lets check that. This ensures that the error log shows the correct position where the parser goes wrong.
Fixing more write handlers, which used an irregular tag structure.
PRD-4691: Handle formulas with unbalanced parenthesis in inner formulas.  Added several test cases.
PRD-4691: Check count before indexing.