Fix for CSS filename replacement in HTML so that quotes are not erroronously placed.

This fixes issue #153.
Fix to parse script block in host files when replacing filenames with minified JS filename; when script block has server side snippets present.

This fixes issue #154
Merge branch 'master' of https://github.com/kierans/ant-build-script into kierans-master
Merge branch 'kierans-master' into 1.1.0