Fix cmake app package issue

Currently the Info.plist file names the app package as OBS.app and cmake
is trying to use 'OBS Studio.app'.  I renamed it to OBS for the time
being just because we don't currently have actual studio interface yet.

cmake/Modules/ObsCpack.cmake

@@ -5,9 +5,9 @@ elseif(WIN32 AND NOT CPACK_GENERATOR)
 	set(CPACK_GENERATOR "WIX" "ZIP")
 endif()
 
-set(CPACK_PACKAGE_NAME "OBS Studio")
+set(CPACK_PACKAGE_NAME "OBS")
 set(CPACK_PACKAGE_VENDOR "obsproject.com")
-set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "OBS Studio - Multi-platform broadcasting software")
+set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "OBS - Multi-platform live broadcaasting/recording software")
 
 set(CPACK_PACKAGE_VERSION_MAJOR "0")
 set(CPACK_PACKAGE_VERSION_MINOR "0")
@@ -46,7 +46,7 @@ else()
 	set(CPACK_CREATE_DESKTOP_LINKS "obs${_output_suffix}")
 endif()
 
-set(CPACK_BUNDLE_NAME "OBS Studio")
+set(CPACK_BUNDLE_NAME "OBS")
 set(CPACK_BUNDLE_PLIST "${CMAKE_SOURCE_DIR}/cmake/osxbundle/Info.plist")
 set(CPACK_BUNDLE_ICON "${CMAKE_SOURCE_DIR}/cmake/osxbundle/obs.icns")
 set(CPACK_BUNDLE_STARTUP_COMMAND "${CMAKE_SOURCE_DIR}/cmake/osxbundle/obslaunch.sh")