core-5025 refactor code for file download url
core-5086 core-5087 changes for metadata template ui
core-5086 core-5087 delete outdated test
add .gwt to ignore
core-5087 implement layout and template form logic
Merge branch 'm_templates'

Conflicts:
	src/main/java/org/iplantc/core/uidiskresource/client/dataLink/presenter/DataLinkPresenter.java
	src/main/java/org/iplantc/core/uidiskresource/client/dataLink/view/DataLinkPanel.java