refactor suite_xml to use generic OrderedXmlObject
refactor suite_xml to use generic OrderedXmlObject

gets rid of a bunch of custom __init__ functions that were all there to insure correct ordering of attributes and nodes

gmimano/commcaretest,dimagi/commcare-hq,SEL-Columbia/commcare-hq,puttarajubr/commcare-hq,qedsoftware/commcare-hq,puttarajubr/commcare-hq,dimagi/commcare-hq,qedsoftware/commcare-hq,dimagi/commcare-hq,dimagi/commcare-hq,SEL-Columbia/commcare-hq,puttarajubr/commcare-hq,gmimano/commcaretest,puttarajubr/commcare-hq,qedsoftware/commcare-hq,qedsoftware/commcare-hq,SEL-Columbia/commcare-hq,gmimano/commcaretest,dimagi/commcare-hq,qedsoftware/commcare-hq