removed old Nullsoft Installer scripts and irrelevant stuff
- modularized installer with separate component descriptions
- added option to remove entire QRealRobots folder
- remove registry settings after deinstallation
- whether to include NXT Tools is now selectable from command line during installer build, see buildRobots.bat for an example
unattended installer mode
- removed old installer for QReal with NXT Tools
- updated standalone NXT Tools installer
encoding fixed
Merge pull request #669 from qreal/installer

Installer