Merge branch 'master' of dossmann.net:blogbox/makefly

Conflicts:
	Makefile
	TODO
	doc/DEV.README.md
[ADD] DEV doc (french version)
[FIX] Some minor errors in DEV doc (english version)
[UP] TODO list
[ADD] New tool: flush.sh that delete DB and SRC content
Merge branch 'master' of dossmann.net:blogbox/makefly

Conflicts:
	doc/DEV.README.md
Merge branch 'master' of dossmann.net:blogbox/makefly
[IMP] Copy all static dir content
[UP] TODO list
[IMP] CSS for documentation
[FIX] Wrong variable name for search bar.
[ADD] New black and white CSS for default theme
[UP] TODO list
[IMP] Permit user to choose how many posts display in RSS feeds
[UP] DEV documentation (english and french) for new MAX_RSS variable
[IMP] Adapt sidebar to display LI correctly
Merge branch 'master' of olivier.dossmann.net:blogbox/makefly
[ADD] Author as a new metadata that permits to have more than one public
author
[ADD] More text for first post
Merge branch 'master' of dossmann.net:blogbox/makefly