Remove they've and simplify descriptions
util_scripts clarification
print message
merge dev_4_4 -D org -I include -E exclude: PR 45 (Export big images as jpeg 10841 dev 4 4)
merge dev_4_4 -D org -I include -E exclude: PR 47 (Scripts readme)
merge dev_4_4 -D org -I include -E exclude: PR 48 (Combine images param unwrap 11473)