fusionpbx/fusionpbx-install.sh: FusionPBX installer script

mirror da https://github.com/fusionpbx/fusionpbx-install.sh.git

Antonio Fernandez 49930c411a avaya rewrite rules added for all distros (#433)		1 anno fa
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resources	49930c411a avaya rewrite rules added for all distros (#433)	1 anno fa
install.sh	9f550a3c42 Devuan: update all install scripts from debian (#390)	3 anni fa
pre-install.sh	4bb4d099c0 installation script for OS Devuan (#95)	8 anni fa