Find curl_ca_bundle script is used by linux only. Move it out of
gyp and make sure it runs only in linux.
Also make zlib deps generic for all systems, not for linux only.
This is the first step of getting edash_packager builds on Windows
and Mac.
Change-Id: I82d3e5872fd0dd6f57127890bc062490332a1b69
With libcurl, HttpFetcher now supports timeout and https.
Two additional changes:
1. Remove happyhttp which is no longer needed;
2. Add README.packager for curl
Bug: 13658515
Bug: 14301830
Change-Id: I13c2835e7feca9abf36e5bb8f7bc35a7db9ec94c
Latest rev of happyhttp fixes the bugs so patches are no longer needed.
Also removes http_fetcher_unittest from the build as it performs real
http requests to an external server.