Add classic repo to Leiningen's own project.clj.
Fix `lein deploy clojars` issue by bumping clj-http in order to use repeatable http entities
Accept string for :license. Fixes #853.
Add :port option to headless repl task.

We can now specify the port to use when creating a headless REPL.

Example -
lein repl :headless :port 4005
Merge pull request #854 from ghoseb/master

Add :port option to headless repl task.
Test :provided profile interpretation by the uberjar task.
Merge pull request #855 from llasram/test-provided-deps

Test :provided profile interpretation by the uberjar task
Back to classic Clojars for a while.

Took longer than expected to get Releases working.
Bug fix for leading spaces in JVM_OPTS #856
Merge pull request #857 from bruceadams/master

Bug fix for leading spaces in JVM_OPTS #856
fixes code fence in plugin tutorial markdown
Merge pull request #859 from bmabey/patch-1

fixes code fence in plugin tutorial markdown
don't propagate DRIP_INIT or DRIP_INIT_CLASS to subprocess
add upgrade support to lein.bat master
omit redundant :no_upgrde snippet
Merge pull request #861 from kumarshantanu/master

Implement `lein upgrade` for Windows
Fix link in DEPLOY.md to use preview branch. Fixes #862.
Handle malformed :port option gracefully.
Add documentation about the :port option when starting a headless REPL.
Merge pull request #864 from ghoseb/master

Minor doc & error handling enhancements.