Make Map work with key classes that do not define operator==.
Make Map work with key classes that do not define operator==.

Usually, key classes are only required to define operator<, equality is then determined by !(a<b) && !(b<a).

Change-Id: I46016f4b4a2e77a1297325e74e794cb6dd39ba53

bmwcarit/capu,bmwcarit/capu