Progress towards Rocket.Chat update

[xet7]

• xet7 synced to newest commits of Rocket.Chat repo
• xet7 tries to add back Remove Sandstorm support RocketChat/Rocket.Chat#13773 . Part 1 . In Progress.
• xet7 tries to add to meteor-spk migrations from old MongoDB to newest MongoDB. It seems older migration starts here https://github.com/sandstorm-io/meteor-spk/blob/master/start.js#L115 so maybe do something related at fork https://github.com/xet7/meteor-spk/blob/master/start.js#L115
• Please merge Upgrade to newest Meteor and MongoDB, if possible. sandstorm-io/meteor-accounts-sandstorm#36 and publish to kenton:accounts-sandstorm at https://atmospherejs.com/kenton/accounts-sandstorm . It is related to being compatible with current Meteor 2.11. Same code is currently as local fork at https://github.com/wekan/wekan/tree/master/packages/wekan-accounts-sandstorm and https://github.com/wekan/wekan/blob/master/.meteor/packages#L35
• Please merge Fixed fibers error when building .spk package with WeKan, Meteor 2.2, Node.js 14.x of meteor-spk-0.6.0 sandstorm-io/meteor-spk#41 that is related to being compatible with current Meteor 2.11.