Fixed failing tests

- Outdated `apost` reference
- Unused autosave test
Fake auth token to avoid assertions
More faked auth tokens
Drop outdated editor/reader tests
Test cleanup

Dropped obsolete or problematic tests, let's start fresh
Merge pull request #1061 from wordpress-mobile/feature/unit-testing

Unit testing
Restores changes related to removing placeholders that were a casualty of a merge.
Adds some code to refresh layout so there are no visible gaps in the reader detail
while media attachments are loading.
Remove unnecessary gravatar image check
Better handling of comment links (fixes #1072)
Merge pull request #1073 from wordpress-mobile/issue/1072-comment-links

Better handling of comment links (fixes #1072)
Merge pull request #1067 from wordpress-mobile/issue/1031-reader-gravatar

Remove unnecessary gravatar image check
Added labels for help buttons
Added missing labels for post editor
Merge pull request #1062 from wordpress-mobile/issues/1058-reader-crash

Restores changes related to removing placeholders that were a casualty o...
Merge pull request #1079 from wordpress-mobile/develop

Merging develop into release/3.9
Use NSDate for what it is - point in time date/time representation

Don’t try to “convert” dates to local GMT representations - NSDates exist as timezone-less expressions of a point in time.  This in combination with a fix for the wpxmlrpc project prevents issues like #1071.
Updated Pods so dependencies are properly managed for wpxmlrpc 0.3
Updated to Cocoapods 0.29.0
Merge pull request #1080 from wordpress-mobile/issue/737-gmt-date-handling

Use NSDate for what it is - point in time date/time representation
Fix follow button

Protocol method was named as postView instead of contentView. This is
defined in WPContentViewDelegate protocol.