HSEARCH-1249 Serialization protocol version being logged without enough context
HSEARCH-1224 Modernize recommendations about optimizing in the documentation
HSEARCH-1225 Clarify effect of conditional indexing interceptor on index() method: javadocs
HSEARCH-1225 Clarify effect of conditional indexing interceptor on index() method: docbook
Whitespace formatting fixes
Whitespace formatting fixes and style