Added htseq updates to install scripts.
Version to 2.5.3
New revision of to_bundle.py
Refactored out handle_file_error() and fixed create_symlink()
Added command line interface and directory recognition to to_bundle.py
Added update-exec-root.sh
Merge branch 'master' of https://github.com/chipster/chipster.git
Added basic announcement for client
Merge branch 'master' into data_beta

Conflicts:
	build.xml