Merge pull request #257 from rfellows/develop

[BISERVER-10646] - Mantle does not seem to handle escaped unicode characters
Merge pull request #259 from rfellows/develop

[PDI-12202] - removing the templated unicode escape sequence that cause ...
[BISERVER-11577] - Added css styling for Schedule email step for IE browsers
Merge pull request #260 from webdetails/BISERVER-11577

[BISERVER-11577] - Added css styling for Schedule email step for IE brow...
[ANALYZER-2629] -- Updated calendar image in date filter dialog
Merge pull request #261 from krivera-pentaho/dev

[ANALYZER-2629] -- Updated calendar image in date filter dialog
[BISERVER-11506] - Special characters cause exception when saving interactive report in PUC when server runs on Windows