Fix deployment problems with developer builds

This fix deploys the following files into qtbase without make install:
- qtwebengine_resources.pak
- translations/qtwebengine_locales/*.pak
- icudtl.dat
- plugins/qtwebengine/libffmpegsumo.so

Change-Id: Id2c02f03fb01571942d3135b215ebb8ad7a3221b
Reviewed-by: Andras Becsi <andras.becsi@digia.com>