add namespace to the parameters, in order to call functions of scrm in other programs
modification on parameters program
more modifications on param class, use template for reading input, instead of having functions for each type
checking for memory leaks function Forest::~Forest() is problemtic, trace to functions in node
Merge remote-tracking branch 'origin/master' into events

Conflicts:
	src/model.h
update on param
change the type of current_base from size_t to double, the position of the next genealogy change is now an exponential random variable.
working on copy forest
making copy of forest
correct the recombination rate in input, and the log file option
fixed memory leak in ~NodeContainer()
Merge branch 'master' of github.com:paulstaab/scrm
Merge branch 'master' into events

Conflicts:
	src/model.h