Update project-related code to kamaki coding style
Notable changes: in CLI, --project --> --project-id in clients, create_floating_ip overwrites OS/network method
Adapt cyclades commands for new projects
Add optional argument --project in create subcommands;add subcommand reassign for servers, networks and ips.
Adapt pithos commands for new projects
Add optional argument --project in file create;add command file reassign.
Update copyright dates for changes files
Fix progressbar for short appends and overwrites
Refs: #5160
Log quoted headers before sending them
Encode list/item prints in user-defined encoding
Refs: #5150
Add source version in file overwrite
Decode headers to utf-8, print in user-chosen enc.
URL-encode http headers
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