@feelpp/core update issue 186
add (temporary) directory with Portfiles using Xcode 5
fix some cln compilation issue with clang and libc++
disable move construct from eigen with clang/libc++
fix compilation with clang/libc++
enable libc++ for apple/clang
enable libc++ for apple
fixed compilation with apple/clang++ (xcode 5) and libc++
Updated port files:
- switched feel++ to the dev branch of the git repo
- updated petsc version
- force boost to use mpi and libc++ (temp)

(Feel++ still not compiling on 10.8)
Merge branch 'develop' into feature/port-macosx-xc5
Removed boost teste version
Issue #186:
- Modified FindGFLAGS to build them with libc++,
- Current GLOG version does not seem to compile with libc++.

Issue #187:
- Updated feel Portfile, cloned version is the feature/port-macosx-xc5 branch, TO FIX before final integration into develop,
- Introduced patched libANN portfile to compile with libc++ (otherwise gmsh-devel doesn't compile),
- Updated petsc to 3.4.2 + add library fix + patch behaviour of petsc that blocks the compilation when specifying jobs "-j K" to make (So it can be specified in macports.conf),
- Add library fixing script that attempts to correct bad library references that occurs when compiling petsc notably.
fix isSiblingOf(), much check that both this and m have sub mesh data
more fix for isSiblingof()
fix compilation with gcc4.7
up // info
Fix issue #186, assuming compliant MPI and Boost librairies, among others
Fix issue #186, preparing for merge
Reverted back a testing modification
use worldcomm associated to the  doftable (not the mesh) -> fix #201
Fix GiNaC on Mac OS