GitLab

Conflicts:
	kamaki/cli/commands/history_cli.py
	kamaki/cli/commands/pithos_cli.py

Even the slightest progress causes upload to retry
if 502 client error is received, # of threads are limited to current thread

If some threads fail for some reason, download re-tries 2 more times,
provided there is some progress

Conflicts:
	docs/installation.rst

In docs/conf.py add the path to kamaki source as the first entry of
os.path. This way we can ensure that when the sphinx imports kamaki
modules, it will use the ones from the source.

copy/move [container:]<path> [container:]path

setup

store_create is only for containers now

New method: cli.utils.page_hold holds console until user input, usefull for listing
results

Create a zero-length object

if called with page_size a possitive int, print_items holds every page_size
results and waits for user input to continue.

This is used in flavor_list for the moment, but is going to be a std option
for all *_list commands