Article on compiling Linphone: first commit, already with an almost-finished post.

Signed-off-by: KheOps <kheops@ceops.eu>
creating tag page tags/linphone
creating tag page tags/archlinux
creating tag page tags/voip
creating tag page tags/sip
creating tag page tags/skype
creating tag page tags/zrtp
Add link to package pages of Linphone for Ubuntu and ArchLinux

Signed-off-by: KheOps <kheops@ceops.eu>
A small sentence added

Signed-off-by: KheOps <kheops@ceops.eu>
Small reformulation

Signed-off-by: KheOps <kheops@ceops.eu>
Typo correction

Signed-off-by: KheOps <kheops@ceops.eu>
Fix link to posts list

Signed-off-by: KheOps <kheops@ceops.eu>
Fix typo

Signed-off-by: KheOps <kheops@ceops.eu>
Add contact info on index page

Signed-off-by: KheOps <kheops@ceops.eu>