move prefs to a system-dependent directory instead of java's preferences object thing
add windows and unix config paths
when GP model fails to load also throw reason
move Matrix4 to breeze
update breeze to 0.5.2
check on load that all matrix dimensions match up
fix opening of gp model design matrices
unique prefs filenames for each OS
a set is a better storage type
hack to save prefs when recent projects gets updated
cleanup
Matrix4 class is now working the same as before
some commented out debug lines
Merge pull request #11 from gabysbrain/better_prefs

Better preference handling