Files in folder XSSF/UserModel have been synchronized. Some methods comment out and some of tests is also.
Finish them

53965 - Fixed XmlValueOutOfRangeExceptio calling getDataValidations for custom validations with XSSFSheet (poi-developers)
52255 - support adding TIFF,EPS and WPG pictures in OOXML documents (poi-developers)
52745 - fixed XSSFRichtextString.append to preserve leading / trailing spaces (poi-developers)
53374 - Avoid exceptions when parsing hyperlinks of type "javascript://"(poi-developers)
53568 - Fixed null returned by XSSFPicture.getPictureData()(poi-developers)
53950 - fixed setForceFormulaRecalculation to reset workbook-level "manual" flag(poi-developers)
53568 - Set shapes anchors in XSSF when reading from existing drawings(poi-developers)
53043 - don't duplicate hyperlink relationships when saving XSSF file(poi-developers)
51710 - fixed reading shared formulas in XSSF (poi-developers)
support setting background color of sheet tab in XSSF(poi-developers)
Bugzilla 52255 - support adding TIFF,EPS and WPG pictures in OOXML documents
52716 - tolerate hyperlinks that have neither location nor relation (poi-developers)
Validate address of hyperlinks in XSSF(poi-developers)
POIXMLPropertiesTextExtractor support for extracting custom OOXML properties as text(poi-developers)
52219 - fixed XSSFSimpleShape to set rich text attributes from XSSFRichtextString(poi-developers)
52204 - Deprecated XSSFWorkbook(String path) constructor because it does not close underlying .zip file
52268 - support cloning sheets with drawings in XSSF (poi-developers)
fix some bugs.
Fixed XWPF bugs
Merge remote-tracking branch 'origin/XSSF.UserModel'