Changes:
- Fixed compiler warnings
- Add "*.*" to file open menu so files without suffix can be opened
- Make it work under Windows
- Make wget() and unpackArchive() methods so they can access the UI
- wget() and unpackArchive() use the new method runProcess() now that also does some error handling
- Errors are shown in the status bar for easier debugging / usage
- Add readme.txt
- Let travis build the triage tool