WSOTWO-94: Created API for toolbar
WSOTWO-109: added all connectors of twitter connector group
Merge branch 'master' into WSOTWO-108

Conflicts:
	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/toolbar/ToolbarPresenter.java
	codenvy-ext-wso2-editor/src/main/java/com/codenvy/ide/client/toolbar/ToolbarView.java
	codenvy-ext-wso2-editor/src/main/java/com/codenvy/ide/client/toolbar/ToolbarViewImpl.ui.xml
WSOTWO-94: Improved UI of toolbar
WSOTWO-94: Improved UI of toolbar
WSOTWO-109: added tooltips and titles for all elements of toolbar
Merge branch 'master' into WSOTWO-108
WSOTWO-109: set required width of toolbar