[SERVER-6400] Refactor Matcher/QueryExpression - MongoDB Jira

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Backward breaking changes:
1: this now correctly matches everything :

{ a : { $not : { $gt : 5, $lt : 4 } } }

2: no longer support broken geo within behavior:

{ loc : { home : [], work : [] } }

{ "a.b" : null }

no longer matches

{ a : [] }

{ a : null }

not impacted by sparse index on a

{ "a.b" : null }

consistent

depends on

SERVER-1009 simplify and unify query parsing code

is depended on by

SERVER-1367 create an $eq operator for queries that works similar to $gte and $lte

is related to

SERVER-7445 $in operator should require an array