Themes window now opens to settings/presets tab so it's less confusing
for others.
Can no longer change default presets, you get a warning when you try.
now stores themes in themes folder.
Now clips theme names.
Part of the issue was comparing an int litteral when it should have been a short but the main issue was due to a wrong mask in the viewport interaction code.
Loadsave MS dialog box should now work correctly.
Fixes#1040.
Fixes#1039.
