Update README
Improved map zooming
Added new tool: Paint Tool / Added Tool Palette icon
Merge branch 'tweaks' of https://github.com/Crypton33/forgottenmapeditor

* 'tweaks' of https://github.com/Crypton33/forgottenmapeditor:
  Added new tool: Paint Tool / Added Tool Palette icon
  Improved map zooming
Update tools with tooltips
Update year & link in LICENSE