[elpa] externals/ess updated (f45542e723 -> c9e19f1ca9)

[ELPA Syncer]

elpasync pushed a change to branch externals/ess.

      from  f45542e723 Fix up copyright notices for GNU ELPA
       new  32e7baf647 Clean auxiliary files generated by pdflatex for 
refcard.pdf
       new  2eff0bbf9e Merge pull request #1230 from svillemot/master
       new  6b7ff0f3a6 fix(r): using `TRUE' instead of `T' in 
ess-installed-packages
       new  c9e19f1ca9 Merge pull request #1231 from ShuguangSun/master


Summary of changes:
 doc/Makefile       | 1 +
 lisp/ess-r-mode.el | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)