added a faster, traditional scatterplot matrix
added a 'if' around optional package network in example
whitespace
change to aes_string to help R CMD check and full arg names
added NEWS about ggscatmat
documented
added global variable xvalue, yvalue to ggscatmat
shorten the data to make glyphs example faster
combine procured spline code into one area
formatting for news
comment in news about themes for ggpairs
clarify news on custom labels
allow for plain values in ggpair_text, like alpha = 0.4
document
bumped date
bumped version at start of dev
removed title period by Uwe's request
Merge branch 'dev' into ggpairs_print_txt_size

* dev:
  removed title period by Uwe's request
  bumped version at start of dev
  bumped date
  document
  allow for plain values in ggpair_text, like alpha = 0.4
  clarify news on custom labels
  comment in news about themes for ggpairs
  formatting for news
  combine procured spline code into one area
  shorten the data to make glyphs example faster
  added global variable xvalue, yvalue to ggscatmat
  documented
  added NEWS about ggscatmat
  change to aes_string to help R CMD check and full arg names
  whitespace
  added a 'if' around optional package network in example
  added a faster, traditional scatterplot matrix