ScriptsToConcat.java works with root relative URL's

Implemented nelsams fix in the ScriptsToConcat.java file and compiled it
to a class file. This fixes the issue wher the build script couldn't
handle root relative URL's in the script tags.
added if-statement to check if ./dir.publish/dir.images exists before deleting.
Merge pull request #116 from danielreiser/master

if publish/IMAGE_DIR doesn't exist BUILD FAILS
OMG a license.
Merge branch 'master' of github.com:h5bp/ant-build-script
Removed the default 'remove quotes" option and added a line for HTML compressor options to the project.properties file. Addresses #118
Finally added alternative concat task. Needs documentation. Closes #58. I apologize to the entire Internet for being so busy last year.
Merge branch 'master' of github.com:h5bp/ant-build-script
added boilerplate option to change the dir.build property
tile to file
changed a hard-coded reference to build/tools to a property reference.
missing image, yo
redoing uncommitted changes pointed out by #126
Merge pull request #101 from tkahn/master

ScriptsToConcat.java/ScriptsToConcat.class that handles root relative URL's
cleaning up that PR
updating the example task to be one that actually works.
Merge remote-tracking branch 'upstream/master'