Fix for libfreetype compatibility

pkg/appimage/appimagebuild

@@ -15,6 +15,7 @@ make INSTALL_ROOT="${PKGNAME}.AppDir" install
 
 ./squashfs-root/AppRun ${PKGNAME}.AppDir/usr/share/applications/${PKGNAME}.desktop -bundle-non-qt-libs -no-translations
 
+install -D -m 755 /usr/lib/x86_64-linux-gnu/libfreetype.so.6 ${PKGNAME}.AppDir/usr/lib/libfreetype.so.6
 install -D -m 755 /lib/x86_64-linux-gnu/libssl.so.1.0.0 ${PKGNAME}.AppDir/usr/lib/libssl.so.1.0.0
 install -D -m 755 /lib/x86_64-linux-gnu/libcrypto.so.1.0.0 ${PKGNAME}.AppDir/usr/lib/libcrypto.so.1.0.0
 install -D -m 755 /lib/x86_64-linux-gnu/libz.so.1 ${PKGNAME}.AppDir/usr/lib/libz.so.1

scripts/package

@@ -15,7 +15,7 @@ ci_appimage() { # docker-image: ubuntu:14.04
     apt -y install curl git
     #apt -y install build-essential qt5-default libqt5websockets5-dev
     #apt -y install cmake libssl-dev libcurl3 libcurl3-gnutls libcurl4-gnutls-dev libxpm-dev
-    apt -y install libssl1.0.0 zlib1g unzip p7zip unar
+    apt -y install libfreetype6 libssl1.0.0 zlib1g unzip p7zip unar
 
     apt -y install software-properties-common
     add-apt-repository -y ppa:beineri/opt-qt594-trusty