Increment version to 1.9 and set release date
Fix class alias
Merge pull request #68 from SemanticMediaWiki/issue67

Fix class alias
Add utility for creating SMW tarballs
Merge pull request #66 from SemanticMediaWiki/1.9rel

Final changes for the SMW 1.9 release
Merge pull request #69 from SemanticMediaWiki/tarballs

Add utility for creating SMW tarballs