JIRA: https://jira.spring.io/browse/INTSAMPLES-138
* Upgrade to Boot 1.2, which is based on the SI 4.1
* Upgrade to SF 4.1.1
* Fix `feed` sample to use new `Rome` dep. from SI
* Fix deprecations for `@Payload`, `@Header` etc.
* Fix mongo` sample deprecation warn
JIRA: https://jira.spring.io/browse/INTSAMPLES-137
* Upgrade to Boot 1.1.7
* Fix several Boot apps to get deal with `args`, e.g. `--debug` option can be useful for Boot
* Provide a loca copy for JavaScript files (`sock.js` and `stomp.js`) to avoid extra Internet connection on testing
INTS-137-2: Make JavaScript cross-browser
Some additional polishing to the server config, like `logging-channel-adapter` for server message flow
JIRA: https://jira.spring.io/browse/INTSAMPLES-130
Enable `Run As | Run on Server ...` when using eclipse.
The wtp config was lost when the samples were converted
to gradle.
Upgrade to SI-4.0.2 and Boot 1.1.0.RELEASE
Polishing according upgrading
