Add a bunch of changelog lines.
Add changelog lines from Johan.
Changelog updates from Anders.
Set some PETSc options to find an LU solver that works with 64 bit indices.
Make SuperLU_dist default LU solver when using 64-bit indices.
Merge branch 'master' into garth/fix-issue-432
Fix an ifdef.
Add a test skipe for 64 bit la indices. Skip one test.
Merge branch 'garth/fix-issue-432'
Merge branch 'martinal/topic-update-changelog-for-15'

Conflicts:
	ChangeLog