TTU - Technology Tree Usability

Issue: http://issues.qcadoo.org/browse/QCADOOMES-421

Brief

Improve the usability of the technology tree.

Features

• TTU1 - Move tree to separate tab and improve layout
• TTU2 - New operation in tree numbering sheme
• TTU3 - Wizard like tab switch
• TTU4 - Definicja cyklu