use command line parameters for zwr new

Signed-off-by: Zeljko <zeljko@zwr.fi>
create database with zwr new

Signed-off-by: Zeljko <zeljko@zwr.fi>
latest devise messes up generators - use older on

This needs to be researched. However, it works nice as this.

Signed-off-by: Zeljko <zeljko@zwr.fi>
zwring rake task continued

Signed-off-by: Zeljko <zeljko@zwr.fi>
more generic gemspec

Signed-off-by: Zeljko <zeljko@zwr.fi>
bump gem version

Signed-off-by: Zeljko <zeljko@zwr.fi>