Added Quaternion.FromMatrix
Added a Diagonal and Trace property to all matrices
Added missing doc comments in the matrix classes to reduce the number of compiler warnings
Added Quaterniond version of FromMatrix
Merge pull request #15 from GoldBlockGames/master

Implemented Quaternion.FromMatrix
added support for smooth trackpad scrolling on macos
Merge pull request #17 from jeske/master

added support for smooth trackpad scrolling on macos
fix MacOS bug mapping modifier keys to the scancode array
Merge pull request #19 from jeske/fix

fix MacOS bug mapping modifier keys to the scancode array
Fix for setting Matrix/Vector values by Index

Many Matrix*/Vector* implementations were throwing
IndexOutOfBoundsException when you tried to set their values via their
indexer due to a missing else statement.
Merge pull request #20 from NeilWhite/MatrixRangeFix

Fix for setting Matrix/Vector values by Index
Merge remote-tracking branch 'remotes/andykorth/master'