Added `grunt-este` tasks, changed closure tasks to este tasks

Added faster testing with esteUnitTests instead of PhantomJS spec runners.
Changed version to 0.3.0, added version to bower.json
Fixed url to deps file at main.jade, fixed `deps` & `build` task
Added base of sql-92 code generator, fixed creating columns with spaces

Added core of generator for common SQL (sql-92). Fixed creating column
with name containing spaces (spaces are replaced with underscores). Fixed
`watch:coffee` and `coffee2closure` task.