Merge branch 'master' into rfc-travis

    SEARX_GIT_VERSION=$(git describe --match "v[0-9]*\.[0-9]*\.[0-9]*" HEAD 2>/dev/null | awk -F'-' '{OFS="-"; $1=substr($1, 2); $3=substr($3, 2); print}')

    # add the suffix "-dirty" if the repository has uncommited change

    # /!\ HACK for searx/searx: ignore searx/brand.py and utils/brand.env

    git update-index -q --refresh

    if [ ! -z "$(git diff-index --name-only HEAD --)" ]; then

    if [ ! -z "$(git diff-index --name-only HEAD -- | grep -v 'searx/brand.py' | grep -v 'utils/brand.env')" ]; then

	SEARX_GIT_VERSION="${SEARX_GIT_VERSION}-dirty"

    fi