FIXED category with no tasks: zero percent bug
fixed some bugs

FIXED the weird batch add order bug
ADDED there is now a progress bar while batch adding tasks
CHANGE performance upgrades for working with unneccessary huge amounts
of tasks
FIXED changes form didn't show with < 100 entries
FIXED progress bar form didn't refresh bug
FIXED hang up bug in taskform with a lot of tasks
FIXED the tab indexes in batch add form
ADDED splashscreen and closing screen

this change was made for gigantic databases to indicate wether the
program is doing something or not.
ADDED auto update functionality
FIXED some bugfixes in the autoupdater
Merge pull request #2 from flubbes/v0.3-alpha

V0.3 alpha