Added the character service as a global service, since it's pretty generic.
Started converting over to using the character service.

Also, added a service for doing the dnd 4e calculations.
converted hpcalc to new services.
converted conditions to new services.
converted the attributes and detail-tabs.
converted feats and powers.
added roll service.
added ignoredFields, and more cleanup.
Added alerts service, and started using it in the $socket service.
misc fixes.

This fixes #88.
Actually start saving this information back to the server.