Feature/format cells

* 'develop' of https://github.com/ONLYOFFICE/sdkjs:
  c_oAscBorderStyles add description fix ansi
  export c_oAscBorderStyles

fix ansi

return default formats by Asc.c_oAscNumFormatType.None

v4.2.5 v4.2.5

* 'develop' of https://github.com/ONLYOFFICE/sdkjs:
  New functions for working with footnotes on mouse move event were added to the export.

Added method getRAngAx for getting rAngAx value(rAngAx is true if not defined). Use right as default legend position (as in documentation)