Fixes #11: add order paper url.
Closes #9: add data to voting

Added additional information to motions in "summary" field. See README for
further information.
Added support to detect end of import process for bills.
Fixed bug in error detection during import process.
Added importer to retrieve committees events and labour.
Added jshint code validation via Grunt.
Extract bills files from committees labour information.
Generate a single file with import results.
bump version up to 1.4.0
Merge remote-tracking branch 'origin/master' into develop