remove accidentally added broken test
sane number of solver iterations
Merge pull request #127 from tjhei/sane_solver_iterations

sane number of solver iterations
add missing changelog entry
cleanup refine_mesh code in core.cc

Avoid initializing unused vectors, cleaner SolutionTransfer code,
formatting.
report convergence failures in release mode

A recent change causes the linear solvers to hang in release mode (with
more than one process) if we don't reach convergence.
Merge pull request #129 from tjhei/fix_solver_errors

report convergence failures in release mode
Merge pull request #128 from tjhei/core_cc_formatting

cleanup refine_mesh code in core.cc