Fix warning about converting false to pointer type.

The following warning is produced by certain versions of gcc 4.5:
sitkMorphologicalWatershedImageFilterTest.cxx:188:3: warning:
converting 'false' to pointer type for argument 1 of 'char
testing::internal::IsNullLiteralHelper(testing::internal::Secret*)

While this is actually an issue with the compiler it's best practices
for google test to use the ASSERT_FALSE methods.

Change-Id: I2ff641b6bf514744292ad0845626f15a025d4f1d
Fix Doxygen warning explicit link request to 'ChannelTyperedChannel'

This section of stripped doxygen comments it poorly formatted and not
relevant to the SimpleITK usage.

Change-Id: I6fd7e59a72b4fae128560fb1e01c445828925bfc
Fix another warning of conversion false to pointer type

Change-Id: I16b43e314e5cd5315b92043fe334e4cc3566a578
Merge topic 'SIMPLEITK-405_FixSomeDashboardWarnings' into next

8410fdd Fix another warning of conversion false to pointer type
0da504e Fix Doxygen warning explicit link request to 'ChannelTyperedChannel'
8ca1f7e Fix warning about converting false to pointer type.
remove some extra chars in testing print message

Change-Id: I13b59f3b4b1380febf342bb5d688babbf8568e41
Merge topic 'SIMPLEITK-405_FixSomeDashboardWarnings' into next

354bbb9 remove some extra chars in testing print message