Make RowInfo#print(ImmutableCollection) public.
RowBuilder: remove convenience print() methods.

They were confusing.
Delete Table, moving #printer() to RowBuilder.
rename RowInfo => AnsiTable.
rename RowBuilder => AnsiTable.Builder.
AnsiTable.Builder#printer() => AnsiTable#builder()
No need for AnsiUtils to be public.
add javadocs.
rename FormattingInfo => TableFormat.
AnsiTable: rename two private methods.
move AnsiTable#printHeader to TableFormat.
TableFormat: remove unused method.