python_dependency: cleanup and fix build env.

* Only set PYTHONPATH for Python 2.
* Set the Python binary for superenv.

References #24842.
Closes #26197.
Closes #26216.
Closes #26218.
Closes #26228.
jena 2.11.1

Current formula does not work as v2.11.0 no longer hosted at specified URL.

Closes #26238.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
phantomjs 1.9.7

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
phantomjs: add 1.9.7 bottle.

Closes #26240.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
git: do not apply patches on head

Closes #26259.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
Groonga 3.1.2

Closes #26246.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
enet 1.3.11

Closes #26247.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
rebar 2.1.0

Closes #26249.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
node devel 0.11.11

Closes #26254.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
Merge remote-tracking branch 'Homebrew/master'

Conflicts:
	Library/Formula/git.rb