[CB-5229] cordova/emulate important improvements (stderr, check ios-sim before build)

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: Master
• Fix Version/s: 3.2.0
• Component/s: cordova-ios
• Assignee: Shazron Abdullah
• Reporter: Shazron Abdullah
• Created: 30/Oct/13 15:00
• Updated: 23/Aug/18 07:28
• Resolved: 11/Nov/13 23:08

Description

1. Error messages should pipe to stderr instead of stdout. The CLI only prints out stderr messages on error
2. The ios-sim binary and version checks should happen before the build happens to prevent an unncessary build