Proposal: Rename time window parameters (start, end) in dashboard and logs page

Current both our dashboard and logs pages depend on query parameters called start and end. In particular, end is a reserved word in Ruby.

We should consider deciding on a standard that we can switch to moving forward and documenting it so it gets used in our all our monitoring APIs.

The following discussion from !22734 (merged) should be addressed:

@akohlbecker started a discussion: (+2 comments)

Should we standardise on one name throughout the feature? start_time and end_time? I realise you probably can't use end in ruby.

Edited Jan 20, 2020 by Miguel Rincon