BUG: Reduce size of basic filter libraries.

Visual Studio 9, was running out of memory when trying to link all
SimpleITK libraries. The number of filter per basic filter library is
not limited to 25.

Change-Id: I5aaf9d5772c9df2787ff447e3f9a17d34be51a92
Merge topic 'FixVS9Linking'

f169e7f BUG: Reduce size of basic filter libraries.