Teammates: Release V6.1.0

[whipermr5]

Scheduled for February 1, 2018, 1.59pm SGT.

[whipermr5]

Release 267

Code Contributions from: @pierreSquared, @dabbler011, @bjrodrig, @craaaa, @Chng-Zhi-Xuan, @darrenwee, @dishant-sheth, @Fatehsandhu, @FritzJo, @joanneong, @whipermr5, @kevinLamKB, @KshitijKythe, @LuLechuan, @jms5049, @ncbaihly, @bqnguyen94, @nidhi98gupta, @orinn248, @Haozhe321, @baczus0, @Crphang, @tshradheya, @sukanta-27, @LiHaoTan, @tran-tien-dat, @upatidar7, @wenmogu, @wkurniawan07, @xpdavid, @ZiChuanBuXiu
Review Contributions from: @chowyb, @damithc, @whipermr5, @LiHaoTan, @thenaesh, @wkurniawan07, @xpdavid

Sprint Period: November 13, 2017 - February 1, 2018
Sprint Velocity: 106 points (code) + 76 points (review) = 182 points (total)

V6.1.0 has been released by @whipermr5 at February 1, 2018, 3.54pm SGT. However, pending fix for #8391 (to be released as V6.1.1) before it is ready for post-release check and deployment by PM.

[wkurniawan07]

@damithc V6.1.1 has been released.

[damithc]

Deployed. Thanks to everyone who contributed 💯