Fix bug when supplying multiple file specs

If you specify multiple file specs and the first one sets move to false, it affects all subsequent ones even if you want them to have move = true.
0.2.1
Added options.copy (Fixes #20)
added tests for copy option
added copy option to README
added tests to cover scenarios where the copy option isn't set
Use SVG badge for Travis
Remove Grunt badge in order to standardize READMEs
Ignore directories when using expand
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
Revert "merged in upstream changes, resolve conflict"

This reverts commit 26639bc0395189c14a6f7d828b7f36471777a363, reversing
changes made to 9477210dcfe6a8f43d2e9e13a64f21662a557d8d.
Merge branch 'master' of github.com:mwillerich/grunt-filerev