Bug fix

Fixed bug where there was no feedback when starting or stopping a log.
Added utilities

Added utility scripts, while not necessary for the client, they may be
of use.
Updated features

Updated client per request, following features added: linear y axis for
CS and Activity, ability to select/deselect all graph radio buttons,
start/stop gives feedback, default filename provided when downloading
data, ordered graphs.
Restructured file hierarchy

Moved files to more appropriate locations, added cx_freeze setup script
for daysimeter client.
Status light

Should have been in previous commit. Status light for daysimeter client.