Point to the new maven-central https endpoint.
This was brought to my attention by aurora threads and the announce was this weekend here: http://central.stage.sonatype.org/articles/2014/Aug/03/https-support-launching-now/

Also kill an unused resolver copied over from twitter/commons.

Testing Done:
$ rm -rf ~/.pants.d/tools/
$ PANTS_DEV=1 ./pants goal clean-all
$ PANTS_IVY_CACHE_DIR=/tmp/ivy2 PANTS_DEV=1 ./pants goal test {src,tests}/{scala,java}/::
...
               Executing goals in phases: bootstrap -> imports -> gen -> check-exclusives -> resolve -> compile -> resources -> test
13:10:18 00:17   [bootstrap]
13:10:18 00:17     [bootstrap-jvm-tools]
13:10:18 00:17   [imports]
13:10:18 00:17     [ivy-imports] INFO]
Downloading https://repo1.maven.org/maven2/org/apache/ivy/ivy/2.3.0/ivy-2.3.0.jar
 INFO] Starting new HTTPS connection (1): repo1.maven.org
100% .................................................. 1193 KB 6.273s
 INFO] sha1: c5ebf1c253ad4959a29f4acfe696ee48cdd9f473
...
13:20:11 10:10   [test]
13:20:11 10:10     [pytest]
13:20:11 10:10     [junit]
13:20:11 10:10       [bootstrap-junit]
13:20:40 10:39       [run]
                     ..........
                     Time: 0.177

                     OK (10 tests)

13:20:41 10:40     [specs]
               Waiting for background workers to finish.
               SUCCESS

$ find /tmp/ivy2 -name "ivydata-*.properties" | xargs grep location | cut -d= -f2 | cut -d/ -f-4 | sort | uniq -c
     15 http\://maven.twttr.com/com
      3 http\://maven.twttr.com/org
    225 https\://repo1.maven.org/maven2

Bugs closed: 438

Reviewed at https://rbcommons.com/s/twitter/r/824/
Add a new jvm specific fingerprinting for reintroducing the java and scala versions into the artifact hash. This is needed to avoid build cache artifacts mixing classes from different versions.

Reviewed here: https://rbcommons.com/s/twitter/r/808/
foo/README.md and bar/README.md don't clobber each other.

'./pants goal markdown ::' has a problem: every .../README.md file generates to the same path (.pants.d/markdown/markdown/html/README.html)

With this change, you instead get
.pants.d/markdown/markdown/html/_.readme.html
.pants.d/markdown/markdown/html/_src.java.com.pants.examples.hello.main.readme.html
.pants.d/markdown/markdown/html/_src.java.com.pants.testproject.page.readme.html
.pants.d/markdown/markdown/html/_src.python.pants.backend.python.readme.html
.pants.d/markdown/markdown/html/_src.python.pants.readme.html

Also in this change:
Turned some unnecessarily complex python into simple mustache templates.

Added src/java/com/pants/testproject/page to make sure I didn't break [[pants(...)]] "wikilinks".
Doesn't contain java, despite the dir.

Testing Done:
(got confluence goal temporarily working to make sure that markdown-page-moves didn't break confluence publish)

https://travis-ci.org/pantsbuild/pants/builds/31464526

Reviewed at https://rbcommons.com/s/twitter/r/750/
Ensime support: code navigation

Testing done:
generate ensime project for ensime-server, ran ci.sh

https://travis-ci.org/pantsbuild/pants/builds/31647409

Reviewed at: https://rbcommons.com/s/twitter/r/753/
Remove all deps on twitter.common.quantity.

The benefits it provides aren't worth the added external depenency.
Upgrade pex dependency from twitter.common.python 0.6.0 to pex 0.7.0.

Testing Done:
$ ./build-support/bin/ci.sh

Bugs closed: 439

Reviewed at https://rbcommons.com/s/twitter/r/825/
Fixup idea integration test to ignore ~/.pants.rc if present.

commit fe4d3517b998adf4f566c7e2a93bacff93ee1ee0
Author: John Sirois <jsirois@twitter.com>
Date:   Tue Aug 5 01:13:05 2014 -0600

    Fixup idea integration test to ignore ~/.pants.rc if present.

 tests/python/pants_test/tasks/test_idea_integration.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Testing Done:
Locally this used to fail for me with a customized ~/.pants.rc [idea]options, but now passes:
===
$ PANTS_DEV=1 ./pants goal test tests/python/pants_test/tasks/:idea_integration
...
01:15:51 00:00   [test]
01:15:51 00:00     [pytest]
01:15:51 00:00       [run]
                     ============== test session starts ===============
                     platform linux2 -- Python 2.6.9 -- py-1.4.23 -- pytest-2.6.0
                     plugins: cov, timeout
                     collected 8 items

                     tests/python/pants_test/tasks/test_idea_integration.py ........

                     =========== 8 passed in 17.78 seconds ============

01:16:10 00:19     [junit]
01:16:10 00:19     [specs]
               SUCCESS

Travis CI went green here: https://travis-ci.org/pantsbuild/pants/builds/31685448

Bugs closed: 441

Reviewed at https://rbcommons.com/s/twitter/r/828/
catch a file that didn't make it into the Ensime support commit

The patch for the change that became sha 8313f22a89f06f4bf6595c4cc7f87bd0367cc17f
didn't apply cleanly. I tweaked it by hand, but a day later, I see
this modified file in my repo: the BUILD change to pull in the test.
Computering: it's difficult.

So here's the BUILD change. Good news: the test passes.

Testing Done:
https://travis-ci.org/pantsbuild/pants/builds/31726091

Reviewed at https://rbcommons.com/s/twitter/r/830/
A hierarchy of argparse parsers.

Each parser corresponds to a command-line scope (e.g., 'compile.java').

See the code for copious comments.

Note: A future change will contain comprehensive tests for this code's
functionality.
Got ivy to map in javadoc and source jars for pants goal idea.

This involved a fair amount of finagling with conf variables spread across ivy_* and ide files,
and some changes to the ivy mustache. The mechanism by which confs are currently passed around
does not seem very robust. The whole system would probably benefit from some refactoring to
abstract away ivy's inner workings and streamline generic mapping settings; it would be nice to
have an abstract interface for mapping jar files. This could  also make it easier to deal with
failing downloads, parallelization, or using a different jar mapping tool, but all that can
wait for an entirely different review.

Also cleaned up some style issues that got missed in the last patch for the idea goal.

Don't do extra work if no one wants sources.