cmake updates, mianly for macos, and refactor of others. #210, #170, #63
Fix for #246. Removed sync() to prevent race condition within dropped() and . Raised maxblocks to 64.
Fixes for #246 (qtwebkit bugs on macos)
update gitignore for macos development
assets for app bundles
remove unnecessary _ptrs
Merge pull request #247 from subtly/develop

Bug fixes, qtwebkit on osx, networking