New wallet build v0.9.3.4

- New GUI icons
- Add Export / Import wallet menu to GUI
- "White on black" console window style
- Dumpwallet importwallet added to rpc commands
- Updated message box buttons
- Add Console button to toolbar
- Several upgrades and fixes to the code

Non mandatory update.

Windows: http://downloads.truckcoin.net/Truckcoin-v0.9.3.4-win32.zip
Linux Ubuntu x64 14.04: http://downloads.truckcoin.net/Truckcoin-v0.9.3.4-ubuntu-x64.tar.gz
Source Code: https://github.com/noise23/Truckcoin