Fix CB-7615 Read config.xml after pre-prepare hooks fire
Revert "Revert "Merge branch 'browserPlatform' of https://github.com/surajpindoria/cordova-lib""

This reverts commit a01779552ad240dc2e2a550376ce6e2978eeba8b.
bumped to 3.6.3
readded npm-shrinkwrap.json
CB-7383 Updated version and RELEASENOTES.md for release 0.21.13
set version to 0.21.14-dev
CB-7572 Serve - respond with 304 when resource not modified