Set release date
Merge branch '1.6' into 1.7

Conflicts:
	ChangeLog
Date was wrong (oh well)
Merge branch '1.6' into 1.7

Conflicts:
	ChangeLog
Set release date to today.
Merge branch '1.7' into 1.8

Conflicts:
	ChangeLog
Set release date.
Merge branch '1.8'

Conflicts:
	ChangeLog