[ADD] Possibility for user to use "base" theme as new example for a new
theme
[FIX] date command replace by its ${date} equivalent
[IMP] Delete a non-POSIX behaviour from pmake theme
[UP] Changelog with last changes
[DEL] Useless "comments" directory
[UP] First post content
[ADD] New theme: Bootstrap
[FIX] Problem with OL tags and A, IMG tags
Merge branch 'master' into perso

Conflicts:
	src/welcome_to_makefly.md