Fix cpp type mismatch.
fixed imageCreateFromLazyByteString, peek from CString with specified length,
to avoid recognizing zeroes in data as NULL-termination in string
Added missing API to wxc:
wxGrid: cell spans, cell renderers (numeric, auto string wrapping)
wxScrolledWindow: show/hide scrollbars
wxSplitterWindow: control sash gravity
Merge remote-tracking branch 'yihuang/master' into HEAD
Merging back non-merged branch/fork
utility shell scripts