AdvancedClientDevelopment fixes
Merge pull request #417 from mtbc/z-spelling

more Americanization
Updating image with typos fixed
Final fixes from PR 406 suggestions
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 421 (Fixes from ticket 11223)