[release] Prepare for next development iteration

Change-Id: If8038b2dfe70c23aa9ae53318a68d0853922580b
faq on recv-only video to avoid webcam permissions

Change-Id: Ie530f21b9345b010c2aa602c9221d51cb3f2779f
Typo (sudp -> sudo)

Change-Id: Icec4aac82d8cc738dd0dde384e0cb3ebdc8bfcb2
Change handler port to 9900

https://github.com/Kurento/kmf-media-connector/commit/633e71
did it in code and README

Change-Id: I3e67447478e12989da97431b51c356665d0f95f5
Better format for tables in OpenAPI specification

Change-Id: I683417864aeca4af3b655340f02d1c127ca9d7b2
Typos in fi-ware versions

Change-Id: Ief8f03d04af5ebdfe3074b467e8acdf670467533
changes to current fi-ware page

Change-Id: I30a72d143befba1971832468d2598e6b8535e089
fi-ware OpenAPI version before last batch of changes

Change-Id: I1dc73aafa7f81b8fe09d42ea2432170588c46988
Change the fi-ware domain from .eu to .org

Change-Id: Iad49a8e02f9fbd77ffff1c33506f713ead6afdc5
Fix question about heuristics for pipelines and endpoints...

Also, remove line spoiling the faq

Change-Id: Icfbee492eba50262ef122f1a41bbc95a36ac7ac4
Clarify HTTP Recorder Service use with MP4

Change-Id: Ied653fbeec7840bed7c75857849e375bde82238c
Remove three stars (***text***) markup

Three stars for bold is an artifact from the original
pandoc conversion from mediawiki to rst/sphinx

Change-Id: I36d188c4f1ab97042f35a54cfb1cb8c5a0a52707
[release] 4.2.1

Change-Id: I5e71818fd243209c82b5d5ee601cbf0bc9989b32