added output for changels_noadd option in ppclass
added a nopickle attribute to ppclass objects
updated gitignore
updated example scripts (e.g. loop on eddyflux)
added more example for dynamical analysis
added option --res to pp.py
minor modifications to findset
added quiet mode to pp.py
make pp.py naturally quiet (no need for an additional keyword to verbose). pp.py only displays message for help.
adapt font size to plot size in ppclass
changed default size. make it from 16x8 to 10x6.