Deprecate PHP 5 on README.md

Author: sergeyklay

README.md

@@ -67,6 +67,8 @@ Prerequisite packages are:
 * GNU `make` >= 3.81
 * [`re2c`](http://re2c.org) >= 0.13
 
+NOTE: Support for PHP 5.x is provided on a best-effort basis and will be removed in near future.
+
 ##### Ubuntu
 
 ```bash

appveyor.yml

@@ -62,8 +62,6 @@ branches:
     - 4.0.x
     - 3.4.x
 
-skip_non_tags: true
-
 install:
     - git submodule update --init --recursive
     - ps: Import-Module .\tests\_ci\appveyor.psm1