Resume class v2.6.0

* Enhance "\photo" command to support shapes (circular and square) and
  positions (left and right).
* Fix color scope issue with icons and profile.
* Fix unwanted blank with the photo.
* Fix icon size incosistency in the tagline by switching to relative
  scaling.
* Adjust the style of Chinese name by removing the space between the
  first and last names.
* Various minor updates and cleanups.