updated version numbers prior to release
Migrated _ol_layer_name to use title and made it consistent across layer types, refs: geomoose/geomoose#44
dropped no longer existant yahoo support
Merge branch 'master' into visible_layers_extension
Removed yahoo layer refernce
Update version in geomoose.html in 2.7.
Merge branch 'master' into visible_layers_extension