Bump version in ant file, too

Signed-off-by: Oliver Metz <[email protected]>

Bump version to 0.6.4

Signed-off-by: Oliver Metz <[email protected]>

Bump version to 0.6.2

fix .gitignore

Bump version to 0.6.1

Bump version to 0.6

Signed-off-by: Oliver Metz <[email protected]>