[TASK] rpfromnow: Cache expensive moment objects

Makes page loads faster
[FIX] RT-1728 'Sign up' too low
Merge pull request #1345 from mrajvanshy/develop

[FIX] RT-1728 #deliver 'Sign up' too low
Merge pull request #1346 from vhpoet/task/optimize

[TASK] rpfromnow: Cache expensive moment objects