Fix the build
Add CommonAssemblyInfo linked to projects
Update ignore to be *.userprefs
Update release scripts to build
Bump ver to 2.99.0-beta
Fix mac build script to use mdtool instead of build
Use correct pre-4.0 version of 3.99.0-beta
Merge pull request #104 from onovotny/build-fixes

Updated build scripts to make creating releases easier