Extend filter box on focus + animate extension
Fix bogus "PLACEHOLDER" title in error and confirmation dialogs
Change 'Run Application' -> 'Run' and 'Open Folder' -> 'Import Folder'

Re 'Run Application': given Spark's current capabilities, it's a misnomer in many situations, e.g. when the item being "run" is a Polymer element's demo, or just a single HTML file in the hierarchy of an app, etc.
Merge pull request #2275 from ussuri/fix-title-in-error-and-confirmation-dialogs

Fix the "PLACEHOLDER" title in error and confirmation dialogs
Changed "Import Folder" -> "Add Folder to Workspace" per review discussion
Merge pull request #2276 from ussuri/fix-menu-item-titles

Change 'Run Application' -> 'Run' and 'Open Folder' -> 'Import Folder'
Merge remote-tracking branch 'upstream/master' into filter-box-improvements
Leave only the animation part in per review discussion
Merge pull request #2182 from ussuri/filter-box-improvements

Animate filter box extension
fix #2268
Merge pull request #2279 from ussuri/refine-polymer-project-templates

Consider dependency overrides even when path != "*" + fix unrecognized version range with a space
Merge pull request #2284 from devoncarew/devoncarew_fix_nums

fix #2268
Fixed spark status color
Use transparent background image
Merge pull request #2286 from dinhviethoa/activity-indicators

Fixed spark status color
Bower fix: transitive dependencies for packages with unrecognized versions wouldn't download
Revert "Bower fix: transitive dependencies for packages with unrecognized versions wouldn't download"

This reverts commit c1cb64d0a34d62bef5626269551cb9a2ba729f78.
Bower fix: transitive dependencies for packages with unrecognized versions wouldn't download