kmsenctreebin: custom indent for encoders properties
kmsenctreebin: custom indent for encoders properties

Useful to read them in an easy way.

Change-Id: I3c2ab9943b1c21e7c037cfb85b68c732067978b3

ESTOS/kms-core,ESTOS/kms-core,Kurento/kms-core,Kurento/kms-core,Kurento/kms-core,ESTOS/kms-core,Kurento/kms-core,ESTOS/kms-core