BUG: require both tr1 type_traits and functional

VS9 with out SP 1 contains tr1 functional but not type traits. The FAQ
URL has also been updated. On VS9 w/o SP1, the cmake error is not
correctly shown.

Change-Id: I4cc3762e1d9140830293a4692f4b3348627cae02
added missing close bracket in top-level CMakeLists file

Change-Id: I0b50c6bf57f5becb5dd9a10395fe0144b3011cf2
yet again fixing the tr1 checking logic.

Apparently, it's very hard to copy code from windows to Linux for
committing.

Change-Id: I8c6491aec6d061101cd1e9b7658fd49502723a0e
Merge topic 'SIMPLEITK-401_FixTR1CheckingLogic'

0998832 yet again fixing the tr1 checking logic.
422226d added missing close bracket in top-level CMakeLists file
5f61f0c BUG: require both tr1 type_traits and functional