sydent upgrade

src/freedombone-app-matrix

 function upgrade_matrix {
     function_check set_repo_commit
     set_repo_commit /etc/matrix "matrix commit" "$MATRIX_COMMIT" $MATRIX_REPO
+    cd /etc/matrix
+    pip install --upgrade --process-dependency-links .
 
+    set_repo_commit /etc/sydent "sydent commit" "$SYDENT_COMMIT" $SYDENT_REPO
+    cd /etc/sydent
     pip install --upgrade --process-dependency-links .
+
     chown -R matrix:matrix /etc/matrix
+    chown -R matrix:matrix /etc/sydent
     chown -R matrix:matrix $MATRIX_DATA_DIR
 }