bibformat: output_formats Makefile fix

Signed-off-by: Adrian-Tudor Panescu <adrian.tudor.panescu@cern.ch>
webstyle: img Makefile fix

Signed-off-by: Adrian-Tudor Panescu <adrian.tudor.panescu@cern.ch>
Merge remote-tracking branch 'adrianp-github/cswwd' into code-structure-with-webdeposit