MIME4J-236: invalid handling of soft line breaks in strict mode

git-svn-id: https://svn.apache.org/repos/asf/james/mime4j/trunk@1562450 13f79535-47bb-0310-9956-ffa450edef68
MIMEJ-237: fixed bug in RawFieldParser#parseValue() causing incorrect parsing of field values with quoted and unquoted content

git-svn-id: https://svn.apache.org/repos/asf/james/mime4j/trunk@1575302 13f79535-47bb-0310-9956-ffa450edef68