end of AppVeyor integration

Author: ddmitov

README.md

@@ -4,7 +4,6 @@ Perl Executing Browser
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 Perl Executing Browser (PEB) is an HTML5 user interface for [Perl 5](https://www.perl.org/) desktop applications. By default it runs local Perl 5 scripts as child processes with no server or execution timeout and is implemented as a C++ executable based on the [Qt 5](https://www.qt.io/) libraries.  

REQUIREMENTS.md

@@ -2,7 +2,7 @@ Perl Executing Browser - Requirements
 --------------------------------------------------------------------------------
 
 ## Compile-Time Requirements
-The only compile-time requirement of PEB is a Qt development bundle version 5.2 or any later version.
+The only compile-time requirement of PEB is a GCC-based Qt development bundle version 5.2 or any later version.
 
 Compiled and tested successfully using:
 * [Qt Creator 3.0.0 and Qt 5.2.0](http://download.qt.io/archive/qt/5.2/5.2.0/) on 32-bit Debian and 32-bit Windows XP