refresh the bootstrap script
Catches BadCommand in get_src_requirement()

This catches the BadCommand that get raised by vcs modules when the VCS
software is not installed or not in the PATH. In this case, we behave as
if the .git, .svn or .hg folder hadn't been found at all (but with the
correct warning).
when installing from wheel files, parse the filename to build the requirement
update changelog
Merge pull request #1838 from qwcode/issue_1825_1.5

fix for #1825
merge 1.5.X into develop
Make ~ tmpfile ignores more general.
support earlier OS X versions in wheels

Wheels built for 10.6 (e.g. Python.org) work on later OS X (e.g. System Python).
The reverse is not assumed.
test OS X arch support
support intel and universal multi-arch tags on OS X

- intel == x86_64, i386
- universal == x86_64, i386, ppc, ppc64
test multi-arch wheels on darwin
add missing multi-arch tags

all multi-arch tags are supported: fat, intel, fat3, fat64, universal
bump get-pip.py to pip 1.5.6
Merge branch 'master' into develop
Don't rely on appspot
Merge pull request #1860 from dstufft/dont-rely-on-appspot

Don't rely on appspot
Fixes pep8 issues
Merge pull request #1830 from remram44/vcs-not-found_2

Catches BadCommand in get_src_requirement()
Merge pull request #1465 from minrk/osxarch

Support earlier OS X versions in wheels
Fix #1680 - Use System SSL Certificates if Available