add google analytics tracking code
Change button text, remove label
change new notifications to have the TRAY_NOTIFICATION type
prevent the same tagset from being added twice when using the "Load Tagset into currently active Document" button on TagsetTree;
open markup collection styling
add withReloadButton parameter to TagsetTree ctor;

move reload button;
WIP - implement reload button for tagger;
Merge branch 'infolog' of https://github.com/catmadevel/catma into infolog