Along with some minor cleanup and simplifications.
Reviewers: campbellbarton
Subscribers: sergey
Differential Revision: https://developer.blender.org/D903
Move static variables to context filling in by this fcuntion
and owned by a callee function. This ensures no conflicts
between threads happens because of static variables used in
this function.
Also moved modifier types and virtual modifiers data to a
function called from creator. This is needed to be sure all
the information is properly initialied to the time when
threads starts to use this data.
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svn merge -r57899:57900 ^/branches/soc-2013-depsgraph_mt
