Add some tests for ENV.{append,prepend} behavior
Only perform coercion to string once in ENV.{append,prepend}
sbt 0.13.0

Closes #22128.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
hbase 0.94.11

Closes #22129.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
MongoDB 2.5.2

Closes #22122.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
Global 6.2.9

Closes #22120.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
Jetty 9.0.5

Closes #22123.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
Prefer interpolation to concatenation
Simplify condition
leiningen 2.3.2

Closes #22136.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
gforth 0.7.2

Closes #22127.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
PythonInstalled, name includes modules

If `depends_on :python => ['modulename', :optional]` then the generated
option is now `--with-python-modulename`, so that it is possible to
actually make depending on python modules optional.
Further, `brew options` becomes more meaningful.