Adding all easyconfigs files needed for the installation of paraview in gmpolf.

Basically only the paraview eb is new, the others are made with --try-toolchain.
add missing easyconfig for ncurses with gmpolf
rework Paraview easyconfigs to use CMakeMake easyblock
get rid of faulty LAPACK easyconfig, correct version is already available
minor style fixes
Merge pull request #514 from boegel/addParaview

add easyconfigs for Paraview and dependencies