added bootstrap folder and pid file to .gitignore
added directives to update blog bootstrap files in makefile
updated Makefile to copy minified css into the blog folders
updated style to have suited blog articles sections indentation
updated thumbnails padding, and thumbnail image size
decreased sections indentation
increased lists left margin
decreased headers font size
set a fixed size for thumbnails image inside blog index pages
changed line height for posts titles inside blog index pages
compiled result in docs folder
why is this not inside .gitignore ?
set tab size to 3 inside code snippets ('pre' tags)
layour updates: blog sections indent, article padding, thumbnail display