Merge pull request #228 from rfellows/develop

[PDI-11553] - Refactor the accordion-based layout
[ANALYZER-457] -- Styled the filter by date calendars for both onyx and crystal
[ANAYLZER-457] -- Fixed merge conflict
Merge pull request #229 from krivera-pentaho/dev

Styled the filter by date calendars for both onyx and crystal
[PDI-11553] - Styling changes for the accordion wizard panels.