MARK: rename EPD to Canopy / EPD.
BUG: tentative fix for #187.
BUG: fix 2.7-ism.
STY: remove unnneeded format separator.
ENH: handle non-existing index in RemoteHTTPIndexedStore a bit better.
STY: indent fixes.
Merge pull request #185 from enthought/fix_epd_mentions

MARK: rename EPD to Canopy / EPD.
FEAT: tool to repair broken egg-info directories.

This should be used for eggs installed with enstaller 4.6.3. The script is
idempotent, and should only be used on windows.
DOC: fix typos.
ENH: repair script now repairs .egg-info written by enpkg <= 4.6.2.

enpkg <= 4.6.2 installed Enthought eggs .egg-info as *files* which content
where the PKG-INFO (every platform). The repair script now detects those cases
as well, and fix the .egg-info directory in a similar fashion.
Merge pull request #188 from enthought/fix_auth_use_webservice_false

BUG: tentative fix for #187.
REF: move venv creation in separate routine.
REF+TST: refactor and add tests for the repair feature.
FEAT: add enpkg-repair script to repair broken .egg-info dirs.
MAINT: mention enpkg-repair in Changelog.
Merge pull request #191 from enthought/repair_egg_info_directories

FEAT: tool to repair broken egg-info directories.