XWIKI-1745: Replace license headers in source files

xwiki-action/src/main/java/org/xwiki/action/Action.java

...ction/src/main/java/org/xwiki/action/ActionException.java

...-action/src/main/java/org/xwiki/action/ActionManager.java

.../src/main/java/org/xwiki/action/DefaultActionManager.java

xwiki-action/src/main/java/org/xwiki/action/ErrorAction.java

.../java/org/xwiki/component/logging/AbstractLogEnabled.java

...ent/src/main/java/org/xwiki/component/logging/Logger.java

...org/xwiki/component/manager/ComponentLookupException.java

...in/java/org/xwiki/component/manager/ComponentManager.java

...t/src/main/java/org/xwiki/component/phase/Composable.java

...rc/main/java/org/xwiki/component/phase/Initializable.java

...va/org/xwiki/component/phase/InitializationException.java

...t/src/main/java/org/xwiki/component/phase/LogEnabled.java

...src/main/java/org/xwiki/container/ApplicationContext.java

...iner-api/src/main/java/org/xwiki/container/Container.java

...tainer-api/src/main/java/org/xwiki/container/Request.java

...ainer-api/src/main/java/org/xwiki/container/Response.java

...tainer-api/src/main/java/org/xwiki/container/Session.java

...rg/xwiki/container/servlet/ServletApplicationContext.java

...in/java/org/xwiki/container/servlet/ServletContainer.java