WSOTWO-92: added java docs  for every essential java class
WSOTWO-112: Removed unnecessary java classes and code
WSOTWO-113: Provides creating an instance of object through DI
WSOTWO-103: Fixed problem with analyzing header of java classes
Changed group id
Formant Apache license
Added license check excludes
Used tag version of license artifact
Merge branch 'master' into WSOTWO-91

Conflicts:
	codenvy-ext-wso2-core/src/main/java/com/codenvy/ide/ext/wso2/client/editor/text/XmlCodeAssistProcessor.java
	codenvy-ext-wso2-core/src/main/java/com/codenvy/ide/ext/wso2/client/editor/text/XmlEditorConfiguration.java
	codenvy-ext-wso2-editor/src/main/java/com/codenvy/ide/client/State.java
	codenvy-ext-wso2-editor/src/main/java/com/codenvy/ide/client/editor/WSO2Editor.java
	codenvy-ext-wso2-editor/src/main/java/com/codenvy/ide/client/elements/BranchImpl.java
	codenvy-ext-wso2-editor/src/main/java/com/codenvy/ide/client/elements/NameSpace.java
	codenvy-ext-wso2-editor/src/main/java/com/codenvy/ide/client/elements/RootElement.java
	codenvy-ext-wso2-editor/src/main/java/com/codenvy/ide/client/elements/mediators/Filter.java
	codenvy-ext-wso2-editor/src/main/java/com/codenvy/ide/client/elements/mediators/Switch.java
	codenvy-ext-wso2-editor/src/main/java/com/codenvy/ide/client/elements/mediators/log/Property.java
	codenvy-ext-wso2-editor/src/main/java/com/codenvy/ide/client/elements/mediators/payload/Arg.java
	codenvy-ext-wso2-editor/src/main/java/com/codenvy/ide/client/inject/EditorFactory.java
	codenvy-ext-wso2-editor/src/main/java/com/codenvy/ide/client/propertiespanel/calltemplate/CallTemplatePropertiesPanelPresenter.java
	codenvy-ext-wso2-editor/src/main/java/com/codenvy/ide/client/propertiespanel/log/LogPropertiesPanelPresenter.java
	codenvy-ext-wso2-editor/src/main/java/com/codenvy/ide/client/propertiespanel/loopback/LoopBackPropertiesPanelPresenter.java
	codenvy-ext-wso2-editor/src/main/java/com/codenvy/ide/client/propertiespanel/payloadfactory/PayloadFactoryPropertiesPanelPresenter.java
	codenvy-ext-wso2-editor/src/main/java/com/codenvy/ide/client/propertiespanel/respond/RespondPropertiesPanelPresenter.java
	codenvy-ext-wso2-editor/src/main/java/com/codenvy/ide/client/toolbar/ToolbarPresenter.java
	codenvy-ext-wso2-editor/src/main/java/com/codenvy/ide/client/toolbar/ToolbarView.java
WSOTWO-91: fixed problem with license