Replace use of $stdin.gets with UI.gets
Implement --web search command option (see #1682). Add specs for the --web search option.
[Command::Lib::Create] Show link to Making a CocoaPod guide

Closes #1644
Closes #1683
Merge pull request #1680 from carsonmcdonald/stdingetstouigets

Replace use of $stdin.gets with UI.gets
Add more test coverage for Command
[Bundle] Update
[Specs] Temporarily disable coverage generation

see https://github.com/colszowka/simplecov/issues/269
[Specification] Adopt the JSON format
[Core] Adapt for changes to the Source class
[Integration] Update
[CHANGELOG] Fix link markup.
[bundle] Update
[push] Fix content-type.
[UI] Only collect repo info from FS providers.
[push] Use only one token when testing pushes.
Make specs green.
[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.