Statically link runtime library in crash reporter

This avoids the dependency on MSVCR100.dll.
Clean up wxWidgets #includes

- don't #include <wx/wx.h> (which includes almost everything)
- use consistent syntax (angular brackets, forward slashes)
- fix include order where wx conflicts with windows.h (logview.cpp)
readme: Clarify building wxWidgets
Use wxWidgets 2.9.5
Refactor main logic (modal window creation order) to its own function
Fix crash on exit

Caused by incompatibility with wxWidgets 2.9.5.
Add tooltips to hyperlinks in about dialog