[backend] fixed bug where manif. didn't update

Manifests didn't show update in options page when a manifest had been added/removed
due to the cache not being invalidated. This small change fixes that.
[options] fixed color for resistance links
[options] fixed small glitch when starting/stopping drag and drop
[project] updated acknowledgements and disclaimer
[project] forgot to build makefile...
[help] updated help
[project] small tweak for release script
[release] prepping v0.3.6
[release] v0.3.6