set manifest field 'B' as root_catalog_size
COMPAT: python 2.6 does not provide subprocess.check_output

Conflicts:

	python/cvmfs/__init__.py
add a scaffold for a wsgi REST deamon on stratum1
add a scaffold for the 'info' method
add repo type to the 'info' method
scaffold for 'stratum1_status' rest method
provide additional information in rest method 'info'
report repo name in rest method 'replicate'
add _make_json() method
use _make_json method
add business logic for remote replication trigger
give process 100ms to catch immediate results
add failure details to json response
remove the stratum1_status REST method