Add default Cinder icon resource to MSW window
add lib/cinder*.idb and lib/cinder*.pdb to .gitignore
added descriptions to core graphics image exceptions
exception string defaults for backwards compatibility
Merge pull request #379 from nselikoff/vc11-gitignore

Add lib/cinder*.idb and lib/cinder*.pdb to .gitignore
Pass WM_SYSKEYDOWN and WM_SYSKEYUP messages to DefWindowProc after processing them so Windows can still use them for their intended purposes, e.g. ALT+F4
Merge branch 'pr/375' into dev
Allowing window-level signal to catch and prevent normal behavior of WM_SYSKEYDOWN and WM_SYSKEYUP messages by setting event to handled
Moving _1 et al to std::placeholders
Updating samples and tests to reflect std::placeholders::_1
Change brings same result to getElapsedFrames() in an update()/draw() pair
Merge pull request #380 from nselikoff/alt-f4-fix

Allow Windows to process system keystroke messages
rethrow if no more image handlers