Wildcards and Ignores

Added the ability to use wildcards in .AddDirectory(), eg:

.AddDirectory("/scripts/jquery.*.js") // add whatever version of jquery
.AddDirectory("/scripts/*.min.js") // add pre-minified versions of scripts

Added the ability to ignore certain files based on wildcards, eg:

.AddDirectory("/application", true)
.Ignore("*.spec.js")
.Ignore("*.test.js") // add all js files in /application except for test/spec files