Topic: 0.5.0 released

- Added Save Password option
- Added automatic transaction importing in background
- Added rebuilding of portfolios in background
- Added built-in browser to news tool, then temporarily disabled news
- Show number of shares to buy/sell in allocation tool
- Fixed deployment on windows 7
- No longer sends mac address, uses random uuid instead
- Fixed bug with position checks buying/selling too many shares
- Moved platform specific building to builds directory