added attributes to relation

added attributes, created a.link
added comment
removed note in did, replaced with didNote
fixed test instance

changed element names to camelCase, added didNote, fixed relations,
changed some attributes
added localType and localTypeSource to didNote
changed comment

added @normal to <unitTitle>, not <unitDate>
changed namespace uri

from http://saa-sdt.example.org/ead/revised back to
urn:isbn:1-931666-22-9
changed namespace uri

from http://saa-sdt.example.org/ead/revised back to
urn:isbn:1-931666-22-9
fixed type attr in unitdate

changed from localType to type
Issue #6: type attributes

changed unitDate, dsc, and list element @type to unitdateType, dscType,
and listType per issue #6
@type to @localType

changed any @type without closed list of values to @localType per issue
#7
add part to controlaccess

added required, repeatable part element to all controlAccess children
(i.e., those elements defined in m.access + controlaccess) per issue #10
change @authFileNumber to @identifier

Per issue # 11
Issue # 12 add @identifier

add @identifer to any element with @source
Issue # 13: add @daoType and @otherDaoType

Added @daoType with values 'bornDigital', 'derived', 'other'. Added
@otherDaoType
Issue # 13 added ref to addressLine
Issue #17 add @localType to addressLine
issue #35 added lb to basic content model; pretty printed

added lb to any element with content model text, emph, ref (should
really define a pattern for this) per issue #35
issue #41 remove note from archdesc and did

change references to m.desc.full to m.desc.base; m.desc.full may no
longer be needed
Issue #43: created footnote

created footnote in m.para.content with model m.blocks; also restored
blockquote