Removed unneeded spaces and colons in @param and friends

Also swapped some "$var type" to "type $var" or added missing types
before the $var. Changed some other types to match the more common
spelling. Makes beginning of some text in captial.

Change-Id: Ic36c8c7820a6c2d603f1138130670c6bf6a1ca59
Merge "Removed unneeded spaces and colons in @param and friends"