BUG: fix writing egg-info content on windows.
BUG: fix egginst test suite on win32.
BUG: skip tests that don't make sense on windows.
BUG: more win32 test failures in utils/main.
BUG: label windows-specific failure as skipped, not expected failure.
BUG: fix skipIf usage.
BUG: fix py27-ism.
Merge pull request #166 from enthought/fix_win32_failures

Fix win32 failures
MAINT: don't use github repo for machotools and okonomiyaki anymore.
Test: Normalize paths separator for the benefit of windows.
Merge pull request #167 from pankajp/fix-windows-test-path-sep

Test: Normalize paths separator for the benefit of windows.
Merge branch 'master' into fix_config_path

Conflicts:
	enstaller/tests/test_config.py
BUG: fix tests on windows following master merge.