This file is included from the main documentation, so make it
smaller. Remove a separate MISSION.rst, nobody is going to read it.
Update the links to look more uniform.
Change-Id: I9b88faaad5ad0ccc85a7660d8cd7e8d20f3ed120
It is included into doc/source/index, so its heading levels have to be
compatible with ones there. The same goes for MISSION.
Also fixes incorrect link syntax.
Change-Id: I71f575b72abad0c5992be841ac3ee5ea1094537d
Bifrost's mission has been institutional knowledge
for some time, however we need to actually write
the mission behind the sub-project in someplace
easy to find and reference.
Change-Id: I641b484b271c6e73a8a248cf77b0bc902d0d602b