Add experimental support for :eval-in :nrepl.
Simplify deploy

This takes advantage of the coordinate merging in pomegranate.aether/deploy.
Move prioritized picks out of meta-merge.
Pick prioritized value in add-repo if there is one
Add tests for prioritized repos.
document ns tagging and :only features of test subcommand
update test subcommand doc to have a realistic example
Merge pull request #995 from cldwalker/test-command-docs

document ns tagging and :only features of test subcommand
Perform init unconditionally
require init-ns unconditionally
def leiningen.repl.config/project-map for nrepl clients
Longer repl connect timeout
Try to start repl even if some requires fail
Adapt repl tests
Remove def leiningen.repl.config/project-map
defn init-ns
Add middleware to set init-ns in nrepl session
Raise reply version to 0.1.10-SNAPSHOT
Remove obsoleted tests
Don't require set-descriptor! in lein; only used inside project.