added google drive gem.
Google Spreadsheet integration.
added edit link for import error spreadsheet.
Merge branch 'master' of https://github.com/ginlane/spree_importer into spreadsheet-editing
fixed merge conflict
added google chrome extension for spreadsheetz
removed log messages.
added some sassy redirects.
added support for mulitiple error highlighting in spreadsheets.
added direct url import. better flow, refactored controller flow.
fnord
Merge pull request #9 from ginlane/spreadsheet-editing

Spreadsheet editing