[MERGE][0.15] Bugfix #82086: Searching location of CA bundle for PyCurl in env variable (CURL_CA_BUNDLE), and on win32 along the PATH

[John Arbash Meinel]

John Arbash Meinel has voted +1 (conditional).
Status is now: Conditionally approved
Comment:
I don't think it should search in cwd, since that is where people are 
writing code. It can be in the dir of 'bzr' or in the dir of 'bzrlib', 
but shouldn't ever look in '.'

Otherwise, +1.

For details, see: 
http://bundlebuggy.aaronbentley.com/request/%3Cerucs1%249js%241%40sea.gmane.org%3E