[seaf-cli] Add 'create' command to create a library

This commit adds a new command called 'create' so that we can use this
command to create a new library.
[client] Fix Daylight Saving Time bug.
[client] Only allow one commit job running at a time.
update msi version to 2.0.6
update version to 2.0.3
modify src script
update gen-deb-src for client source packaging
use --disable-gui by default
update deb version to 2.0.6
fixed Makefile.am for deb build
More and better de_DE Translations
[client] improve code for customization
Merge pull request #416 from allo-/master

More and better de_DE Translations
Fix FILE leak if an error happens while writing pidfile.

Call fclose() even if writing to the PID file failed, otherwise it was simply leaked in this case.
Merge pull request #426 from vadz/patch-1

Fix FILE leak if an error happens while writing pidfile.
Remove dependence on json-glib, use jansson instead.
Fix a compile error.
[server] Add TCP_NODELAY to block transfer socket.
Fix compile error.
[client] Fix a file descriptor leak.