merging PR #137: new contributing vote policies
merging PR #137: new contributing vote policies

https://github.com/chaosbot/Chaos/pull/137: new contributing vote policies

Description:
keep contrib in parity with new vote policies, now that #117 is in

:ok_woman: PR passed with a vote of 13 for and 0 against, with a
weighted total of 11.0 and a threshold of 1.0.

Vote record:
@DasSkelett: 1
@MINIMAN10000: 1
@Redmega: 1
@amoffat: 1
@eukaryote31: 1
@hfern: 1
@ike709: 1
@loic-sharma: 1
@pchauncey: 1
@reddraggone9: 1
@rirze: 1
@rudehn: 1
@sid-code: 1
rudehn/chaos,Chaosthebot/Chaos,g19fanatic/chaos,botchaos/Chaos,Chaosthebot/Chaos,amoffat/Chaos,botchaos/Chaos,mpnordland/chaos,eamanu/Chaos,hongaar/chaos,rudehn/chaos,g19fanatic/chaos,chaosbot/Chaos,amoffat/Chaos,g19fanatic/chaos,rudehn/chaos,g19fanatic/chaos,mpnordland/chaos,phil-r/chaos,eamanu/Chaos,Chaosthebot/Chaos,chaosbot/Chaos,mark-i-m/Chaos,g19fanatic/chaos,Chaosthebot/Chaos,eukaryote31/chaos,chaosbot/Chaos,rudehn/chaos,mark-i-m/Chaos,hongaar/chaos,hongaar/chaos,phil-r/chaos,mark-i-m/Chaos,Chaosthebot/Chaos,eukaryote31/chaos,mark-i-m/Chaos,chaosbot/Chaos,eamanu/Chaos,chaosbot/Chaos,phil-r/chaos,eukaryote31/chaos,mpnordland/chaos,hongaar/chaos,botchaos/Chaos,mpnordland/chaos,phil-r/chaos,eukaryote31/chaos,eamanu/Chaos,hongaar/chaos,botchaos/Chaos,amoffat/Chaos,rudehn/chaos,phil-r/chaos,amoffat/Chaos,eukaryote31/chaos,mark-i-m/Chaos,eamanu/Chaos,amoffat/Chaos,botchaos/Chaos,mpnordland/chaos