formally retire support for PHP older than 5.5
-rw-r--r-- 101 .gitattributes
-rw-r--r-- 140 .gitignore
-rw-r--r-- 436 .travis.yml
-rw-r--r-- 5563 COPYING
-rw-r--r-- 59787 ChangeLog
-rw-r--r-- 17987 LICENSE
-rw-r--r-- 1660 Makefile
lrwxrwxrwx 9 README -> README.md
-rw-r--r-- 2635 README.Fedora
-rw-r--r-- 17486 README.md
drwxr-xr-x - gateways
drwxr-xr-x - plugins
drwxr-xr-x - scripts
drwxr-xr-x - tests
drwxr-xr-x - wwwroot