* fix the conflic.
 * adjust code format.
 * merge from oldstyle.
 * merge from old style.
 * merge from old style.
 * merge from old style.
 * merge from old style.
 * merge font.css to core.min.css, minify it also.
 * mv fonts to bootstrap/font.
 * merge from old style.
 * merge from old style.
 * merge from old style.
 * merge from old style.
 * merge from old style.
 * merge from old style.