Update CHANGELOG

fix typo
asset_paths should be an Array, is a String

any? is called on asset_paths, which is a string due to an early call to
join for a run call to find
Merge pull request #452 from lidaobing/patch-1

Update CHANGELOG. (Typo.
Merge pull request #453 from joeycarmello/fix_runtime_error_with_true_normalize_asset_timestamps

asset_paths should be an Array, is a String
Preparing Release v2.15.0
Preparing Release v2.15.1
Preparing Release v2.15.2
For deploy:cleanup, use try_sudo with rm command.
Fixes parallel execution command logging, GH-434

branches when more than one is really an array of array and hence
must be treated as such.
Restore maintenance.rhtml

from 28c484f1f5e6a009d1b8ff07d85e924d6f947d3c^
Merge pull request #454 from joshstaiger/sudo_cleanup

For deploy:cleanup, use try_sudo with rm command.
Merge pull request #456 from chulkilee/fix-maintenance

Restore maintenance.rhtml
Merge pull request #455 from gnufied/master

Fixes GH-434, If branches is an array of array, iterate them separately.
Preparing Release v2.15.3
Fix parallel command execution logging parallely - GH434

Also add unit tests that reproduce the problem
Merge pull request #457 from gnufied/master

Fix parallel command logging properly