Fixes #4311: Move r30873 to v1.7 branch (update ignores for new framework)
Fixes #4312: Move r30874 to v1.7 branch (OSHMEM: memheap framework fix warn,)
Fixes #4314: Move r30877 to v1.7 branch (OSHMEM: memheap mkey exchange fix)

---svn-pre-commit-ignore-below---

r30855 [[BR]]
OSHMEM: extract memheap allocate methods into separate framework

- similar to opal/shmem
- next step is some refactoring and merge into opal/shmem
 Developed by Igor, reviewed by AlexM, MikeD

This commit fixes #4261.

r30858 [[BR]]
Stop linking in verbs stuff in oshmem/mca/memheap/base now that we have the sshmem framework.

Refs #4261

r30864 [[BR]]
Update ignores

cmr=v1.7.5:reviewer=ompi-gk1.7


r30873 [[BR]]
update ignores for new framework

cmr=v1.7.5:reviewer=ompi-rm1.7

r30874 [[BR]]
OSHMEM: memheap framework fix warn, remove verbs deps

fixed by Igor, reviewed by Miked

cmr=v1.7.5:reviewer=ompi-rm1.7

r30877 [[BR]]
OSHMEM: memheap mkey exchange fix

fix situations where cluster nodes can have different btls

Fixed by Roman, reviewed by Igor, Mike
cmr=v1.7.5:reviewer=ompi-rm1.7