Merge branch 'medialibrary' into 'master'

medialibrary: Add missing packages

Sorry about that, I probably got confused between a few tests and didn't realize those were missing :(

See merge request !20

medialibrary/Dockerfile

 FROM jenkins-vlc-devel-debian-unstable:latest
 
+RUN apt-get update && apt-get install -yq \
+    rapidjson-dev libsqlite3-dev && \
+    apt-get clean -y && rm -rf /var/lib/apt/lists/*
+
 RUN git clone https://git.videolan.org/git/vlc.git && \
     cd vlc && ./bootstrap && mkdir build && cd build && \
     ../configure --disable-lua --disable-qt --disable-skins2 \