Update version number
Add layoutpanel
Add colspan
Fix remove from refreshable
Merge remote-tracking branch 'origin/branch_1.4'

Conflicts:
	ponysdk/build.gradle
	ponysdk/src-core/main/java/com/ponysdk/ui/server/celltable/SimpleTable.java
	ponysdk/src-core/main/java/com/ponysdk/ui/server/celltable/SimpleTableView.java
	ponysdk/src-core/main/java/com/ponysdk/ui/server/list2/DataGridActivity.java
	ponysdk/src-core/main/java/com/ponysdk/ui/server/list2/refreshable/RefreshableDataGrid.java
	ponysdk/src-core/main/java/com/ponysdk/ui/server/utils/E.java