Speak of "personal" intercepts, not "selective" intercepts

[LukeShu]

There are 2 commits of interest here, and then a bunch of noise with syncing between versions and repos:

• https://github.com/telepresenceio/telepresence.io/commit/888b77ca678508a1c8201c1a661585978788fdfb
• https://github.com/telepresenceio/telepresence.io/commit/2945c5e58aee39e020e63a4ccf1bb78a227f02b3

This has a pair of counterparts: https://github.com/datawire/ambassador-docs/pull/419 https://github.com/datawire/ambassador-docs/pull/420