cable added. Started implementation.
Merge branches 'pmt' and 'develop' into develop
First implementation of cable. Clearly something is wrong
simplified cable model with lowpass filter.
apply_noise function added
digitization added
input file and nps (number of particles to be simulated) implemented
gitignore updated with *.inp and *.out
qeff and poisson randomization added to scintillator
noise added to input file
dacsim doc extended, output file implemented, .gitignore updated accordingly
documentation initialised (doc folder)
Documentation for dacsim and scintillator completed
poisson stat of electron multiplication added
conversion to current pulse
Merge branch 'develop' into pmt-dev

Conflicts:
	src/dacsim.py
	src/pmt.py
	src/scintillator.py
Merge branch 'pmt-dev' into develop
dacsim.py modified to work properly with new pmt function
dacsim.py modified to work properly with new pmt function
pmt documentation added