MODELLO-209 - Wrong handling of Map field in
(XPP3|StAX|JSON|YAML)Reader/Writer with multiply association

Fixed JSON type handling
MODELLO-209 - Wrong handling of Map field in
(XPP3|StAX|JSON|YAML)Reader/Writer with multiply association

Fixed YAML type handling
MODELLO-209 - Wrong handling of Map field in
(XPP3|StAX|JSON|YAML)Reader/Writer with multiply association

Fixed StAX generators
Reverted tagName checking - use start/end tagName for each class even
for exploded map value
MODELLO-209 - Wrong handling of Map field
in (XPP3|StAX|JSON|YAML)Reader/Writer with multiply association

fixed Xpp3 generators