poi bug 54206 - Ensure that shared formuals are updated when shifting rows in a spreadsheet
poi Bugs 54228,53672 - Fixed XSSF to read cells with missing R attribute
poi:
53966 - IfError support (from Analysis Toolpak)
54402 - IfError handling of indirect references
poi: 53810 - NPOIFS fix for 0 not -1 padded partially used XBATs
move Excel2HtmlConverter to NPOI.SS in NPOI.OOXML.dll

support xlsx2html
Merge branch 'master' of https://github.com/tonyqus/npoi
add linkedin user group to readme.txt
Initial commit
license file change
remove Converter from HSSF namespace
implement Excel2Html for Excel 2007+ format (xlsx)

change color interface
use IndexedColors instead of HSSFColor
remove .net 4 dll from master
fix sequence issue of vertAlign element in font node
Merge branch 'master' of https://github.com/tonyqus/npoi
fix compilation issue in testcases
fix default value in ooxml
add example: DownloadXlsx

attention: Response.OutputStream cannot be used to export xlsx in web.
fix MonthlySalaryReport calculation issue
fix example dll reference issue