merge dev_4_4 -D org -I include -E exclude: PR 261 (Generate PDF using XeLaTeX)
merge dev_4_4 -D org -I include -E exclude: PR 368 (Cpp: Correct content and markup)
merge dev_4_4 -D org -I include -E exclude: PR 451 (Update Homebrew installation page to expose Ice 3.4 as the default version)
merge dev_4_4 -D org -I include -E exclude: PR 452 (Split out main doc sections with bullets)