bugfix for softscope: fix wrong error message in testsource

original bzr status:
revno: 25
committer: Norbert Braun <braun@groofy>
branch nick: xrp-1
timestamp: Wed 2010-04-14 20:38:41 +0200
softscope: bugfix, remove compiler warning, remove debugging output
 (late commit)

original bzr status:
revno: 42
committer: Norbert Braun <braun@groofy>
branch nick: xrp-1
timestamp: Tue 2010-08-03 17:51:55 +0200
softscope: reset display when pipe is reopened, change data format to
    float, make pipe name a command line parameter, change default pipe
    name to softscope.fifo
robot_fw/pendulum: send pendulum angle and wheel position to host

original bzr status:
revno: 50
committer: Norbert Braun <braun@groofy>
branch nick: xrp-1
timestamp: Sat 2010-10-09 17:00:42 +0200
add .gitignore files (not complete yet)
Softscope: changes Qt::DotLine to Qt::DashLine, because MacOS doesn't support DotLine
softscope: fix include guards