Changing to CamelCase for katRun and beam_param

2 jobs for master in 13 seconds (queued for 4 seconds)
Status Job ID Name Coverage
  Test
failed python_2 #406

00:00:12

failed python_3 #405

00:00:13

 
Name Stage Failure
failed
python_2 Test There is an unknown failure, please try again
    import pykat.finesse as finesse
File "/builds/finesse/pykat/pykat/finesse.py", line 83, in <module>
from pykat.node_network import NodeNetwork
File "/builds/finesse/pykat/pykat/node_network.py", line 23, in <module>
from pykat.optics.gaussian_beams import BeamParam
File "/builds/finesse/pykat/pykat/optics/gaussian_beams.py", line 17, in <module>
class gauss_param(BeamParam):
NameError: name 'BeamParam' is not defined
ERROR: Build failed: exit code 1
failed
python_3 Test There is an unknown failure, please try again
    import pykat.finesse as finesse
File "/builds/finesse/pykat/pykat/finesse.py", line 83, in <module>
from pykat.node_network import NodeNetwork
File "/builds/finesse/pykat/pykat/node_network.py", line 23, in <module>
from pykat.optics.gaussian_beams import BeamParam
File "/builds/finesse/pykat/pykat/optics/gaussian_beams.py", line 17, in <module>
class gauss_param(BeamParam):
NameError: name 'BeamParam' is not defined
ERROR: Build failed: exit code 1