improve start and end tool messages
let restore_file_ownership be configurable
Improve help message
Fix url
make mandatory the definition of LR_TRANS_MGR_PROFILE env var
add function for calling manage.py in a more flexible way (can be used in different types of Pootle installations)
make sure we don't confuse python with output redirections. Make invocation work even if we don't have execution permissions on manage.py
minor adjustments in dev config
change calls to manage script by calls to new "call_manage()" function
rename config files
get rid of old, unused legacy function
rename POOTLEDIR to MANAGE_DIR to better represent its meaning
document and refactor config files. Delete old prod environment configuration
update version. Minor number changed as new env vars are required
Merge pull request #43 from dsanz/some_improvements

Some improvements