Add plymouth "Charge" theme art

The Charge theme is a series of variations on the logo, so we should
probably ship all of the art here.

# Please enter the commit message for your changes. Lines starting
# with '#' will be ignored, and an empty message aborts the commit.
# On branch master
# Your branch is ahead of 'origin/master' by 1 commit.
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# Changes to be committed:
#   (use "git reset HEAD^1 <file>..." to unstage)
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#	new file:   plymouth/charge/progress-00.png
#	new file:   plymouth/charge/progress-01.png
#	new file:   plymouth/charge/progress-02.png
#	new file:   plymouth/charge/progress-03.png
#	new file:   plymouth/charge/progress-04.png
#	new file:   plymouth/charge/progress-05.png
#	new file:   plymouth/charge/progress-06.png
#	new file:   plymouth/charge/progress-07.png
#	new file:   plymouth/charge/progress-08.png
#	new file:   plymouth/charge/progress-09.png
#	new file:   plymouth/charge/progress-10.png
#	new file:   plymouth/charge/progress-11.png
#	new file:   plymouth/charge/progress-12.png
#	new file:   plymouth/charge/progress-13.png
#	new file:   plymouth/charge/progress-14.png
#	new file:   plymouth/charge/progress-15.png
#	new file:   plymouth/charge/progress-16.png
#	new file:   plymouth/charge/progress-17.png
#	new file:   plymouth/charge/progress-18.png
#	new file:   plymouth/charge/throbber-00.png
#	new file:   plymouth/charge/throbber-01.png
#	new file:   plymouth/charge/throbber-02.png
#	new file:   plymouth/charge/throbber-03.png
#	new file:   plymouth/charge/throbber-04.png
#	new file:   plymouth/charge/throbber-05.png
#	new file:   plymouth/charge/throbber-06.png
#	new file:   plymouth/charge/throbber-07.png
#	new file:   plymouth/charge/throbber-08.png
#	new file:   plymouth/charge/throbber-09.png
#	new file:   plymouth/charge/throbber-10.png
#	new file:   plymouth/charge/throbber-11.png
#	new file:   plymouth/charge/throbber-12.png
#	new file:   plymouth/charge/throbber-13.png
#	new file:   plymouth/charge/throbber-14.png
#	new file:   plymouth/charge/throbber-15.png
#
# Untracked files:
#   (use "git add <file>..." to include in what will be committed)
#
#	fedora-logos-11.0.5.tar.bz2