added crc_hash lib
added Zlib license for crc hash lib
Merge commit 'dd84b456031bc754eadff3508083d7a72df4496c' into develop-new

Conflicts:
	vvvv45/src/core/FileLibUtils.pas
	vvvv45/src/core/Startup.pas
Merge branch 'develop' of github.com:vvvv/vvvv into develop
added IsBlackBoxMode to IHDEHost, no recompile of dynamic plugins in blackbox mode
dynamic plugin artefacts are not deleted in blackbox mode
added packs/ to gitignore
Midi Input nodes now default to Enabled=1
diff for:

- MidiShortOutput renamed to MidiShortOut
- MidiSysexOutput renamed to MidiSysexOut
Fixed http://vvvv.org/forum/htmltexture-node-does-not-update-current-url-pin