ONOS-4359: continued work on theming UI
- changed spacing on table headers
- increased table header icon sizes a smidge
- modified 'play' glyph
- removed copyright from "partial" HTML snippets
- switched order of buttons on Intents View

Change-Id: I16967721ca0d22449f34b40ee2eb102d37ca12fd
(cherry picked from commit 772e688)
diff --git a/web/gui/src/main/webapp/app/view/intent/intent.css b/web/gui/src/main/webapp/app/view/intent/intent.css
index 223168f..501e5b7 100644
--- a/web/gui/src/main/webapp/app/view/intent/intent.css
+++ b/web/gui/src/main/webapp/app/view/intent/intent.css
@@ -23,6 +23,7 @@
 }
 
 #ov-intent div.ctrl-btns {
+    width: 110px;
 }