Adding BackgroundValue parameter to LabelImageToLabelMapFilter

Change-Id: I012a0217275b326623995990786169262fe82d28
BUG: Use Array.IndexOf in CSharp tests

The Array.FindIndex approach did not compile on VS9 with .Net 2.0.

Change-Id: I2cdefc43d55e210aaa452c70319319007971e859
Merge topic 'SIMPLEITK-512_AddLabelMapFilters' into next

cb9ad0c7 BUG: Use Array.IndexOf in CSharp tests
f37606fc Adding BackgroundValue parameter to LabelImageToLabelMapFilter
BUG: Fix potential missing library dependency in last BasicFilters library

There was an off by one error when determining the last library, and
its requirement to be linked against the other BasicFilters
libraries. This could result in linking errors. A new variable of the
index of the last element in the list is not consistently used.

Change-Id: I8ac9524190f54f198ab8ae613db2c7cdbd366eb3
Merge topic 'SIMPLEITK-514_FixBasicFilterLibrarySplitting' into next

e2d8d179 BUG: Fix potential missing library dependency in last BasicFilters library