Fixes to scripts:
- hg updates to the parent revision (for cases that use bookmarks
instead of branches - recommended when interacting with git)
- ccache now points to the "external" cache
Add a CentOS 6 Box. Installs but compilation is untested

--HG--
rename : vagrantSandbox/initUbunutuScript.sh => vagrantSandbox/initCentOSRHELScript.sh
Fixes and a script to compile Foam in one go

--HG--
extra : amend_source : 367e251b7df6b13cda03ddf956dbbfa9bec4b51d
FreeBSD and OpenSUSE-machines. Currently not working

--HG--
rename : vagrantSandbox/initCentOSRHELScript.sh => vagrantSandbox/initFreeBSDScript.sh
rename : vagrantSandbox/initCentOSRHELScript.sh => vagrantSandbox/initOpenSUSEScript.sh
Now OpenSUSE is provisioned. FreeBSD not working because it doesn't support shared folders in the virtual box
Try to make FreeBSD work
Forgot one library (without liberty nothing links)
Refactor the Ubuntu-script
Support building Pstream against MVAPICH2
Add csh bits for MVAPICH2 build support
Adaption to new boxes available on vagrantcloud.com (use vagrant 1.5)
Changes necessary for FreeBSD
Merge remote-tracking branch 'remotes/origin/feature/mvapich2' into nextRelease

Conflicts:
	etc/bashrc
	etc/cshrc
Merge remote-tracking branch 'remotes/origin/feature/newVagrantBoxes' into nextRelease