Plugin documentation: Linkify multiple and root SSH commands

Change-Id: Id0076e9a5b97981abe7240dc94a2802264deaa17
Reformat index documentation

Move the paragraphs about running the reindex program and the index
names up to the top of the index section.  It makes more sense to
have them there, than in the middle of the setting descriptions.

Change-Id: I875a66173f752554803ca95bc166fba0dfbcd315
Add documentation of the index.threads setting

Change-Id: I4e7b737791968123d78c19ef558327609ef11b30
Merge branch 'stable-2.8' into stable-2.9

* stable-2.8:
  Add documentation of the index.threads setting
  Reformat index documentation

Conflicts:
	Documentation/config-gerrit.txt

Change-Id: I242cdb5c45748b83ce6dc85111d693c98c875ae2
Fix typo in 'clone with commit-msg hook' command

Change-Id: Ib468ac175db49352b5b66c5c53d15893ab66ba7b
Merge branch 'stable-2.9'

* stable-2.9:
  Fix typo in 'clone with commit-msg hook' command
  Add documentation of the index.threads setting
  Reformat index documentation

Change-Id: Ic8ac6bfce05424287f49f1bde1bca92c7111fd01
Bump VERSION to 2.10-SNAPSHOT

Change-Id: I969648b4e9a5a66edf6c38f20a3163d33697384c
Bump API version to 2.10-SNAPSHOT in plugin archetypes

Change-Id: Idfc3e926fffcb4e5c24b729f6015323ead28d11f
Escape dollar sign in plugin manifest entries

Escape dollar sign in plugin manifest entries, to prevent that
it is interpreted by the shell and thus get removed.

Change-Id: Iefd8abdcd207cb985f8156c7e41c094c1aa12b27
Merge branch 'stable-2.8' into stable-2.9

* stable-2.8:
  Escape dollar sign in plugin manifest entries
Merge branch 'stable-2.9'

* stable-2.9:
  Escape dollar sign in plugin manifest entries