[DEL] Useless meta data "DATE" from posts (because it's included into
post's filename
[UP] Update posts to not use DATE metadata in DB files.
[FIX] More precision in documentation to create post
[ADD] Remember element for createpost command for next release
[ADD] 'pmake version' command
[ADD] Permit to define a prefix for JSKOMMENT comment system
Merge branch 'master' into perso

Conflicts:
	db/1340920800,welcome_to_makefly.mk
	db/1341093600,makefly_project.mk
	db/1341352800,official_weblog_open.mk
	db/2147483647,post_in_the_future.mk
	src/post_in_the_future.md