added build scripts for OS X

.travis/osx_build.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+
+# Creating folders
+cd ${PROJECT_DIR} && \
+echo "gta5view build version is ${APPLICATION_VERSION}" && \
+mkdir build && \
+mkdir assets && \
+cd build && \
+
+/usr/local/opt/qt/bin/qmake ${QMAKE_FLAGS_QT5} DEFINES+=GTA5SYNC_BUILDTYPE_RC "DEFINES+=GTA5SYNC_APPVER=\\\\\\\"${APPLICATION_VERSION}\\\\\\\"" DEFINES+=GTA5SYNC_TELEMETRY "DEFINES+=GTA5SYNC_TELEMETRY_WEBURL=\\\\\\\"https://dev.syping.de/gta5view-userstats/\\\\\\\"" ../gta5view.pro && \
+make -j 4 && \
+/usr/local/opt/qt/bin/macdeployqt gta5view.app -dmg && \
+cp -Rf gta5view.dmg ../assets/gta5view.dmg