Improvements to lcg-extract-kernels.
Fixed a couple of bugs.

-) Rounded number of samples in period in waveform POISSON_SHOT1.
-) Fixed time of recovery pulse in lcg-pulses.
Merge remote-tracking branch 'origin' into develop
Fixed typo in lcg-pulses.
Added file to read lcg files from matlab.
Improved lcg-stimgen and first implementation of lcg-stimulus.
Merge branch 'develop' of https://github.com/danielelinaro/dynclamp into develop
Added possibility to pipe the output of lcg-stimgen to lcg-stimulus.
Improvements to lcg-stimgen and lcg-stimulus.
Removed documentation from source code branch.
Added parameters to streams input and output channels.
Fixed build system and added license header to *.h files.