Icemon 3.1.0 release

More than one year after the 3.0.1 release, here's a new minor release of Icemon: 3.1.0.

Lots of bug fixes and small code refactorings, but also a few feature additions made it into this release.

Here's the changelog for the 3.1.0 release:

Features:

- Summary view: Multiple improvements (#23)
    - Displays average time for each submitted jobs
    - Added display of average build time for finished jobs
- Added scheduler hostname option (#27)

Bugfixes:

- Fixed summary view stateWidget color not updated correctly (#23)
- ListView: Sorted file sizes correctly (643abfbbdeed806aa5a08f0c1cfcdaf7ba79d748)
- Fixed filtering in detailed host view (#26)

Internal Changes:

- Lots of cleanups, more strict compiler flags, etc.

Get it:

$ git clone https://github.com/icecc/icemon 
$ git checkout v3.1.0

Enjoy!