Make JavaDoc more readable and clear up field values of CSVFormats

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/csv/trunk@1610485 13f79535-47bb-0310-9956-ffa450edef68
Fix typo

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/csv/trunk@1610486 13f79535-47bb-0310-9956-ffa450edef68
Use is prefix for getters that return booleans

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/csv/trunk@1610490 13f79535-47bb-0310-9956-ffa450edef68
Clearify handling of record separators and remove senseless validation

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/csv/trunk@1610492 13f79535-47bb-0310-9956-ffa450edef68
Rename withCommentStart to withCommentMarker to avoid confusion because there is no corresponding withCommentStop method

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/csv/trunk@1610494 13f79535-47bb-0310-9956-ffa450edef68