depends on 7429

Start cleaning up the table of contents...
Change "Education" to "Tutorials"
Replace empty learn chaincode doc with in progress chaincode piece
Remove docker compose education piece
Change "Configuration Considerations" to "Operations Guide"
Remove bootstrap
Remove adminops
Add configtx and configtxgen
[ci-skip]

Change-Id: I33b38e31c17f928e525a3c9a26e79481b3837c99
Signed-off-by: Nick Gaski <ngaski@us.ibm.com>