search: fix decoding Unicode is not supported.

Signed-off-by: Yoan Blanc <yoan.blanc@cern.ch>
grunt: ColVis filename update

* Updates the ColVis installation to use the correct filenames.

* Also updates the Holding Pen template importing ColVis.

Signed-off-by: Jan Aage Lavik <jan.age.lavik@cern.ch>
installation: PyLD to 0.5.0

* Using inveniosoftware's fork with has a special version number
  26.0.5.0-dev to prevent further updates to override it.

Signed-off-by: Yoan Blanc <yoan.blanc@cern.ch>