temp22
Clean up dead code.
Use a line break before and after functions.
Enable `/Qpar` compiler option.

Reference  http://msdn.microsoft.com/en-us/library/hh923900.aspx
Use `void` instead of `VOID`.
Re-create icon.ico.

Include all icon sizes, 256, 48, 32, 16.
Cosmetic changes.

* use `nullptr` instead of `0` when it makes sense
* follow the same scheme when declaring variables
Re-indent file.
Enable SSE2 optimizations.

LAV Filters requires SSE2, see https://github.com/Nevcairiel/LAVFilters/commit/c0bf54f6863db9fd6c522179d049a8a5a6811884
Remove installer messages and checks for SSE.