INTSAMPLES-125/126:SF 3.2.7, SI 3.0.1; Schemas

JIRA: https://jira.springsource.org/browse/INTSAMPLES-125

Polishing some poms and enable all modules

INTSAMPLES-126: Fix XSD versions vulnerability

JIRA: https://jira.springsource.org/browse/INTSAMPLES-126

Polishing

Add dummy JUnit to monitoring "test".
Change Maven Repos to spring.io
INTSAMPLES-128 Update SI to 3.0.2, SF to 3.2.8
Fix Typo in tcp-amqp Sample Config
INTSAMPLES-127 Polishing

- PR Comments
- Switch to Jackson2
- Fix oxm config

Polishing

INTSAMPLES-127 Update to SI 4.0.0.RC1

INTSAMPLES-127 Remove Servlet Dependency

travel sample; see INT-3350.

INTSAMPLES-127 Update Samples to SI 4.0.0

JIRA: https://jira.spring.io/browse/INTSAMPLES-127

Created `maint` branch for ongoing SI 3.0.x samples.
si4demo Spring Integration 4.0 Demo

https://spring.io/blog/2014/05/15/webinar-replay-spring-integration-4-0-the-new-frontier
INTSAMPLES-122: Migrate to Gradle

JIRA: https://jira.springsource.org/browse/INTSAMPLES-122

INTSAMPLES-122: Polishing

INTSAMPLES-122: Add generated poms

* Upgrade some dependencies

INTSAMPLES-122: Cover Java/DSL sample

INTSAMPLES-122: Upgrade to SI 4.0.1 & SF 4.0.5

INTSAMPLES-122: Polishing according PR comments

Make gradlew executable
Increase `FileProcessingTest` timeouts
`AC.close()` in file and ftp tests
Fix `FileProcessingTest` configs

`Caused by: org.springframework.integration.MessageDispatchingException: Dispatcher has no subscribers`
Add Eclipse bin/ Directory to .gitignore
INTSAMPLES-130 Fix Eclipse WTP for Web Samples

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
Upgrade to SI Java DSL M2
Merge branch 'master' of github.com:spring-projects/spring-integration-samples