Bump version 0.1.0 Upgraded dependencies.

Always add `xmlns` namespace. Added `options.includedemo`. Fixed Issues
[#20](https://github.com/FWeinb/grunt-svgstore/issues/20),
[#19](https://github.com/FWeinb/grunt-svgstore/issues/19),
[#18](https://github.com/FWeinb/grunt-svgstore/issues/18)