bump version to 14.19
update web-interface interactive debugging section
fix "Unexpected indentation" error
improve installation of debug packages for Asterisk
fix package name

Also, remove reference to libc6-dbg. If you try to install it on a non
fully updated XiVO (Debian), it might pull a newer version of libc6 at
the same time, which is probably something we don't want.
add IVR documentation
fix spelling
update procedure for incall creation
fix spelling in dialplan examples
use lowercase
sed 's/exemple/example/', sed 's/svi/ivr/', minor tweaks
readable ivr documentation that works!
ivr: minor typo fixes
ivr: fix applications case
ivr : associate schedule to incall
reference variable : GV_DIRECTORY_SOUNDS
fix dialplan to correspond to flowchart

timeout goes to invalid extension
ivr: minor fixes
Merge branch 'ivr-explained'
Merge branch 'archive-upgrade-hotfix'