Added capability to create configuration files of varying complexity.

Change-Id: Id2d06f281412c89d637a8e66249b7735ea1b471e
BUMP: ImageViewer
BUG: Fix Visual Studio 11 build.

Change fabs to vnl equivalents.
Add operator== to delimiter_istream_iterator (std algorithm use == instead of != ??)
Add string header to avoid unresolved symbols.
Fix Timer.

Change-Id: Ia25b23dd31acf3a9d2e2a709fa22484002461445
COMP: Add conditional to build testing.

Change-Id: I0f8e0581c17a4350d774253f5369f485502c91a9
Merge branch 'fixBuildTestingCompilationOption'

* fixBuildTestingCompilationOption:
  COMP: Add conditional to build testing.
  BUG: Fix Visual Studio 11 build.
  BUMP: ImageViewer
  Added capability to create configuration files of varying complexity.

Change-Id: Ib7ba05feaab0c40c1fff8590362f0ffa6cd24426