Add repo/tag parsing on the daemon for pull and import

Docker-DCO-1.1-Signed-off-by: Victor Vieux <vieux@docker.com> (github: vieux)
bump api to 1.14 & update docs

Docker-DCO-1.1-Signed-off-by: Adrien Folie <folie.adrien@gmail.com> (github: folieadrien)
Clarified TLS Docs

Made a "Secure by default" section, create 2048-bit keys, various cleanups.

Docker-DCO-1.1-Signed-off-by: Aaron Huslage <huslage@gmail.com> (github: huslage)
Merge pull request #6890 from huslage/tls-doc-fixes2

Clarification of TLS Docs
Use container.Lock in public ToDisk method

Here was possible race with inspect where we changing HostConfig.Links
Docker-DCO-1.1-Signed-off-by: Alexandr Morozov <lk4d4math@gmail.com> (github: LK4D4)
Merge pull request #6979 from LK4D4/fix_race_inspect_start

Use container.Lock in public ToDisk method
proper rebase

Docker-DCO-1.1-Signed-off-by: Victor Vieux <vieux@docker.com> (github: vieux)
Merge pull request #6985 from vieux/fix_api_1.14

bump api to 1.14 & update docs
Merge pull request #6896 from vieux/add_parsing_deamon_side

Add repo/tag parsing on the daemon for pull and import
Basic --cap-add and --cap-drop support for native

Docker-DCO-1.1-Signed-off-by: Victor Vieux <vieux@docker.com> (github: vieux)
Basic --cap-add and --cap-drop support for lxc

Docker-DCO-1.1-Signed-off-by: Victor Vieux <vieux@docker.com> (github: vieux)
fix job and add tests

Docker-DCO-1.1-Signed-off-by: Victor Vieux <vieux@docker.com> (github: vieux)
small refactoring

Docker-DCO-1.1-Signed-off-by: Victor Vieux <vieux@docker.com> (github: vieux)
add basic support for 'all'

Docker-DCO-1.1-Signed-off-by: Victor Vieux <vieux@docker.com> (github: vieux)
support add and drop in both order

Docker-DCO-1.1-Signed-off-by: Victor Vieux <vieux@docker.com> (github: vieux)
add check for invalid caps

Docker-DCO-1.1-Signed-off-by: Victor Vieux <vieux@docker.com> (github: vieux)
add doc

Docker-DCO-1.1-Signed-off-by: Victor Vieux <vieux@docker.com> (github: vieux)
update api doc

Docker-DCO-1.1-Signed-off-by: Victor Vieux <vieux@docker.com> (github: vieux)