fix version info in v7-stable
Merge pull request #18 from UGerhards/v7-stable-release

fix version info in v7-stable
fix LICENSE file

we are not yet under ASL 2.0!
Merge pull request #21 from rgerhards/v5-stable-license

fix LICENSE file
Removed duplicate entry from tutorials.
Merge branch 'v5-stable' into v7-stable
Merged changes from v7-stable to master.