makefile fixes for Mac

git-svn-id: svn+ssh://svn.code.sf.net/p/netgen-mesher/code//netgen@671 38e36fca-e102-11dd-b6c5-65a6809f2f0c
rdynamic - is needed

git-svn-id: svn+ssh://svn.code.sf.net/p/netgen-mesher/code//netgen@672 38e36fca-e102-11dd-b6c5-65a6809f2f0c
export-dynamic instead of -rdynamic

git-svn-id: svn+ssh://svn.code.sf.net/p/netgen-mesher/code//netgen@673 38e36fca-e102-11dd-b6c5-65a6809f2f0c
version 5.1-dev -> 5.2-dev

git-svn-id: svn+ssh://svn.code.sf.net/p/netgen-mesher/code//netgen@675 38e36fca-e102-11dd-b6c5-65a6809f2f0c
parallel getminmax

git-svn-id: svn+ssh://svn.code.sf.net/p/netgen-mesher/code//netgen@682 38e36fca-e102-11dd-b6c5-65a6809f2f0c
parallel getminmax

git-svn-id: svn+ssh://svn.code.sf.net/p/netgen-mesher/code//netgen@686 38e36fca-e102-11dd-b6c5-65a6809f2f0c
autoscale fix

git-svn-id: svn+ssh://svn.code.sf.net/p/netgen-mesher/code//netgen@687 38e36fca-e102-11dd-b6c5-65a6809f2f0c
Merge remote-tracking branch 'remotes/trunk'

Conflicts:
	libsrc/include/mydefs.hpp