Add a true ctest unit test for failtests
Bug 882: add const-correctness failtests for CwiseUnaryView, TriangularView, and SelfAdjointView.
Suppress stupid gcc-4.4 warning
Make constructors explicit if they could lead to unintended implicit conversion
Renamed CwiseInverseReturnType to InverseReturnType for ArrayBase::inverse()
Removed FIXME, as it is actually necessary.
member_redux constructor is explicit too. Renamed some typedefs for more consistency.
Bug 880: automatically preserves buildtool flags when modifying DartConfiguration.tcl file.