Moving session in SFLPhoneApp to a global pointer
New implementation of hangup/accept for iax

getevents -> getaccount -> getcallstatus -> show

Need to send the message in qt

Loading dynamic number of account, depending on user_cfg.h constant

- (core) use only the first enable account
- (qt) unable to send new call on SIP1, SIP2, SIP3

Makefile.am and m4 updates for warnings and paths, README updates.

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Removing FIXME

Add hangup/hold/unhold to sflphone-cli

New separation for dependencies

Printing message for each dependencies

Remove qt in the makefile, $(qtdir) is there

New changes