fixed configwriter to process post config (incl test and docu)
Fixes the problem where if there isn't anything to replace with, it replaces with "undefined"

https://github.com/yeoman/grunt-usemin/issues/128
Update README.md

Fix typo, syntax error and example consistency.
Merge pull request #321 from granteagon/patch-1

Update README.md
Merge pull request #277 from ataube/postproc-fix

fixed configwriter to process post config (incl test and docu)
Use SVG badge for Travis
Merge pull request #333 from zenorocha/patch-1

Use SVG badge for Travis
Remove Grunt badge in order to standardize READMEs
Fixes some tests to pass on windows
Merge pull request #334 from zenorocha/patch-2

Remove Grunt badge in order to standardize READMEs
Merge pull request #335 from oliverh855/master

Fixes some tests to pass on windows
changed spelling to below
Merge pull request #338 from chelseakomlo/master

Changed spelling of bellow to below
Modifying CSS RegEx to fix SVG fragment identifiers in font URIs

Fixes “url("/styles/fonts/icons.svg#icons") format("svg”);”

More info: http://www.w3.org/TR/SVG11/fonts.html#FontFaceURIElement
Merge pull request #340 from lukebussey/css-font-fix

Modifying CSS RegEx to fix SVG fragment identifiers in font URIs
Bump to 2.1.1
Explicitly set the files to install.
Minor package.json cleanup.
Update all dependencies to their latest versions.
Clean up JSHint's options.