* Add custom license header style in order to comply with Google's Checkstyle format
* Update license headers to comply with Google's Checkstyle format
* #496 Add pipeline module to parent pom ✨
* #496: Add main application class and test for pipeline
* #496: Checkstyle format and add log messages on pipeline stages 🎨
* #496: Fill readme sections of pipeline ✨
* #496: Javadocs and checkstyle formatting 🎨
* #496: Follow PMD checks and add more explanation as block comment on App.java
* #496: Apply requested PR changes by iluwatar 🎨
* #970: Replace log4j usage on commander pattern to Slf4j API 🎨
* #970: Replace log4j usage on dao pattern to Slf4j API 🎨
* #970: Replace log4j usage on data mapper pattern to Slf4j API 🎨
* #970: Remove log4j dependency on data transfer object pom 🔥
* #970: Replace log4j usage on module pattern to Slf4j API 🎨
* #970: Replace log4j usage on serverless pattern to Slf4j API 🎨
This also removes the aws log4j dependency
* #970: Remove unnecessary gitignore line for log4j.xml 🔥
* #970: Remove remaining remnants of log4j 🔥
* #970: Replace System.out logging with appropriate logging methods 🎨
* #970: Replace System.out method references to Logger::info 🎨
* Moved java XML and annotations dependencies to project level instead
of as profiles
* Set compiler language level to 11
* Removed jdk8 from travis build
* Kept java level 8 in naked-objects/dom for datanucleus enhancer, for
now.
* Maven profiles to support jdk 11 builds. #948
Added maven profiles activated by jdk 11, wich will not break java 8 support.
Bumped lombok and datanucleus enhancer as the old versions dont work with 11.
* Fixed PMD issue when building naked-objects
* Fixed the eip modules with xml dependencies.
Previous dependency relaxing commit causes xml libs to go missing from
some modules that actually needed them
