Merge latest (0.9.13) KDE code. This version is not yet ready for git master, but better than the previous one

sflphone-common -> daemon
sflphone-client-gnome -> gnome
sflphone-client-kde -> kde
sflphone-plugins -> plugins

Add a coding standard and apply it to the whole code. Also feature keyboard shortcut support, cleanup and minor modifications

This reverts commit 75a52d4c.

[redmine_down] crash when hanging up a dialing call because tries to add it to history whereas no starttime

[redmine_down] update history only on first time

Disabled contact search in address book when placing a call.

[#1762] distclean target should remove kconfig generated files (settings.h, settings.cpp). Rename them?

[#1690] getHistory at start

[#1594] enable debug messages with "--with-debug" only
[#1595] call back with call history should use the same account as the past call
[#1596] crashes when typing enter in history or address book and no item selected
[#1597] beautiful dialpad with letters
[#1598] call history should display calls in anti-chronologic order

+set update-alternatives + corrected strings in french in ui files

[#1563] should display debug messages only if asked with --with-debug at compilation
+ changed copyright and author email address

[#1551] remove default mailbox number in wizard and disable mailbox button when first account doesn't have mailbox number
[#1552] record icon on calls behaves an inverted way (active when not recording)
[#1553] account up, down, add and remove buttons should enable Apply button