Use SVG badge for Travis
Merge pull request #25 from zenorocha/patch-1

Use SVG badge for Travis
Remove Grunt badge in order to standardize READMEs
Merge pull request #26 from zenorocha/patch-2

Remove Grunt badge in order to standardize READMEs
Ignore directories when using expand
Merge pull request #32 from ChrisWren/isdir

Ignore directories when using file expansion
fixed error message

before: Fatal error: Destination for target %s is not a directory
now: Fatal error: Destination build/js/app.min.js for target jadeUsemin-js is not a directory
Merge pull request #34 from PavelVanecekGIC/master

fixed error message.
merged in upstream changes, resolve conflict