The biggest symbolview change ever !!!
- Renewed symbols, added many new symbols and new categories
- The symbols are now in a QToolBox, to make the GUI more clearly arranged
- added tooltips for the icons
- added SHIFT / CTRL modifiers for inserting commands
- the commands are now added to the png-Comments, making the big code array unnecessary
- new scheme for creating the pngs, see testfile.tex for an example how to do it
- the gesymb.{cpp,h} will perhaps be moved to a class in kile, to be used as a tool
- the left sidebar now shows the icons and the text (changed by me without asking before, can be easily reverted)
- metapostview moved to KListBox from QListBox
- new icons for the QToolBox and others