Removed unused and unnecessary code.

Change-Id: Ic62918726dd2c45ef67f13ee22906194f152ad72
Switched vtkCPPythonScriptPipeline to broadcast its script.

Now only the first rank reads the script and broadcasts it to
others. This is to avoid reading the same small time many many
times in parallel at startup.

Change-Id: I915655e613a9f330d1774a84d2e23d60fcefc817
avi: use MSVC again

Seems that MP43 is not a universal encoder, but only decoder.

Change-Id: Ic17e584cb29132076365aff80febed4d9378978d
Merge topic 'avi-compression' into next

ff04974d avi: use MSVC again
More efficient way to read file into memory.

Based on:
http://insanecoding.blogspot.com/2011/11/how-to-read-in-file-in-c.html

Change-Id: Iba691c50e0773a7e85a2610f86a55aaf84e9db05
Merge topic '14784_PythonCatalyst_better_IO' into next

798591d9 More efficient way to read file into memory.
079a4037 Switched vtkCPPythonScriptPipeline to broadcast its script.
0c90b758 Removed unused and unnecessary code.