alternately → alternatively
fix possessive "it's"
fix URL capitalization
fix HTML capitalization
correct ampersands
fix HTTP capitalization
minor adjustments, mostly making literals
Merge pull request #510 from mtbc/alternatively

alternately -> alternatively; capitalize acronyms
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merge dev_4_4 -D org -I include -E exclude: PR 516 (Add note for BF users redirected to upgrade page )