Merge pull request #10 from ruribe/master

Modification of the ObjectFactory
Merge branch 'master' of github.com:mtola/Gharial
Merge branch 'master' of github.com:MEPP-team/Gharial
small error in ObjectFactory.h
local changes from Friday, January the 25th
Merge branch 'master' of github.com:MEPP-team/Gharial
Adds the pipeline.hxx file and provides a partial implementation.
Some revisions in the kernel have to be done with respect to the
Filter templated class.
Merge pull request #11 from vvidal/master

Adding Pipeline class
This version changes the way how we handle the smartpointers. At this point,
the kernel provides smart pointers to the user but stores and makes information
transfer by using pointers.
The code compile and run. Memory tests must be run yet.