Revert "Add a check to config_parser that root tag is <widget>."

This reverts commit 837e8e367ae4feed4854f9ac95a8e906c893d818.
CB-5992: reverting commit until 3.4.0
updated platform.js to point to 3.3.0
Revert "updated platform.js to point to 3.3.0"

This reverts commit dffe397f159a487a6e455b715c78427465dc2d63.
Unrevert "Add a check to config_parser that root tag is <widget>."

This reverts commit 134aa64055965a5119aafc87d74ce4031dc0b80a.
updated version in prep for 3.4.0
Upleveled amazon_fireos_parser. Making it at par with android_parser.js
Fix typo in hooks-README.md
CB-5634 Set Android orientation from config.xml
CB-5634 Minor refactoring + tests for Android's orientation preference.
CB-5937 Add "platform check" command: Shows platforms that are out of date
CB-5937 "platform check" command: print confirmation when there are no stale platforms.
Fix spelling of user output when launching app
CB-5638 Clean-up: remove unreachable info case from function
set to rc.2
CB-5875 Updated version and RELEASENOTES.md for 3.4.0-0.1.0
CB-6049, CB-5181 Enable stdio for build sub-commands & add a spawn() helper.
CB-5181 Use spawn helper in emulate.js and run.js
CB-5181 Use spawn helper in hooker.js. Catch error event in spawn helper.
CB-5885 Remove no-longer-necessary iOS project file cache from CLI.