add cmake config file
fix install
Merge pull request #1 from arnaudgelas/config

Config
Merge pull request #6 from arnaudgelas/examples

Examples
Merge pull request #7 from arnaudgelas/install

Install
removed (now) useless xmlParser code
Merge pull request #9 from arnaudgelas/vtk6

removed (now) useless xmlParser code
Merge pull request #3 from valette/vtk6

update to upstream