REGEN: test certs
REGEN: doc and projects
REFCTOR: remove esp-* and docstyle paks
REFCTOR: remove esp-* and docstyle paks
REFCTOR: remove esp-* and docstyle paks
DEV: add eot mime types
REFACTOR: for pak 0.10 with external esp.json files.
DEV: Support external configuration files outside package.json.

* Refactor http config to permit external configuration files like esp.json.
* Refactor httpLoadConfig API into httpInitConfig and httpFinalizeConfig.
* Add support for httpCache to permit "*" as the extension.
* Remove app.http.content -- now provided via expansive.
* Rename "client" directory to "public" directory. Same for CLIENT_DIR variable.
* Fix socket reuse for windows and linux.