[spec] sync integration specs
[CHANGELOG] Prepare for 0.29
[spec] Bump cocoapods-downloader to 0.3.0
[push] Do not push to trunk during tests.
[bundle] Add cocoapods-trunk plugin for now.
[push] Update test token.
[push] It's like I never did Ruby before.
[bundle] Oops, move trunk plugin to right gem group.