Merge pull request #2812 from dotcloud/bump_v0.6.7

Bump v0.6.7
Add more moods to random name generator
Tidied up Ubuntu installation documentation
Remove non-ascii characters from name generator
Merge pull request #2867 from shykes/more-random-names

Add more moods and inventor names to random name generator
Merge pull request #2868 from jamtur01/ubtfixes

Tidied up Ubuntu installation documentation
Bump version file to 0.7.0
Add 0.7.0 Changelog entry, with notable high-level features since 0.6.0.
Merge pull request #2857 from shykes/0.7-release

0.7 release
Merge branch 'release'