Exposed vector negative to python
Arch: small fix in IFC importer
Draft: removed unnecessary uses of DraftVecUtils
Draft: Fixes bugs from last commit
document License and LicenseURL properties now appear in doc properties dialog
Arch: small fix to IFC importer
Set default license for new files to All rights reserved
Revert "Set default license for new files to All rights reserved"

This reverts commit f5cbde11d2debeae37f8842b588dd4b1518f6948.
Small fix in win installer (removed draft lib)
Started spreadsheet module
Turned the spreadsheet into a FreeCAD object
Spreadsheet: added functionality
Spreadsheet: Finished base object + viewer
Spreadsheet: Updated cmake stuff
Spreadhseet: Fixed opening and closing ofeditor view
Spreadsheet: Fixed wrong icon
Spreadsheet: Fixed caps size bug
Spreadsheet: safer formula evaluation
0001200: Support for ellipses in DXF exporter
Fix license