Deprecates the old string expansion tags in header_rewrite
Deprecates the old string expansion tags in header_rewrite

vmamidi/trafficserver,dyrock/trafficserver,duke8253/trafficserver,SolidWallOfCode/trafficserver,pbchou/trafficserver,SolidWallOfCode/trafficserver,bryancall/trafficserver,duke8253/trafficserver,davidbz/trafficserver,pbchou/trafficserver,pbchou/trafficserver,dyrock/trafficserver,chitianhao/trafficserver,pbchou/trafficserver,SolidWallOfCode/trafficserver,SolidWallOfCode/trafficserver,SolidWallOfCode/trafficserver,SolidWallOfCode/trafficserver,bryancall/trafficserver,pbchou/trafficserver,bryancall/trafficserver,chitianhao/trafficserver,dyrock/trafficserver,bryancall/trafficserver,davidbz/trafficserver,davidbz/trafficserver,duke8253/trafficserver,vmamidi/trafficserver,vmamidi/trafficserver,bryancall/trafficserver,davidbz/trafficserver,dyrock/trafficserver,pbchou/trafficserver,duke8253/trafficserver,dyrock/trafficserver,SolidWallOfCode/trafficserver,duke8253/trafficserver,vmamidi/trafficserver,chitianhao/trafficserver,vmamidi/trafficserver,dyrock/trafficserver,chitianhao/trafficserver,duke8253/trafficserver,duke8253/trafficserver,vmamidi/trafficserver,bryancall/trafficserver,chitianhao/trafficserver,davidbz/trafficserver,chitianhao/trafficserver,davidbz/trafficserver,dyrock/trafficserver,chitianhao/trafficserver