Update CHANGELOG.md

Fixed typo
Merge pull request #1299 from quaertym/patch-1

Update CHANGELOG.md
Fix detection of HTML accept header so that requests for non-HTML resources can still get through to the proxy
Merge pull request #1263 from aexmachina/fix-html-header-detection

Fix detection of HTML accept header
Update CHANGELOG.md
Fix link in CHANGELOG
Merge pull request #1308 from andycrum/patch-1

Fix link in CHANGELOG
Bump blueprint to use Ember 1.6.0.
Display friendly error message when address in use
Merge pull request #1309 from gavacho/eaddrinuse

Display friendly error message when address in use
Exit properly from EADDRINUSE.
Update ncp to resolve symlinks.
Rename test-vendor to test-support

To better reflect role of the files

Related to #1288
Merge pull request #1320 from bcardarella/bc-test-support-files

Rename test-vendor to test-support
Use configstore for storing versionCheck information, and only store the timestamp when the version is checked from npm

Add CHANGELOG entry and tests for UpdateChecker/make UpdateChecker more easily mockable
Merge pull request #1319 from rjackson/resolve-symlinks

Update ncp to resolve symlinks.
Merge pull request #1316 from rjackson/exit-properly

Exit properly from EADDRINUSE.
Merge pull request #1323 from andycrum/use-configstore-for-version-storage

Use configstore for storing versionCheck information, and only store the timestamp when the version is checked from npm
fix test leaving changed file behind
Merge pull request #1330 from jakecraige/fix_test_changed_file

fix test leaving changed file