[1127654] - Patternfly theme: various minor UI issues - Replacing Header Icons and fix spacing (kudos to asantos)

(cherry picked from commit 1b695d390fa41ce3d4a2ad1506121468a70488e1)
Signed-off-by: Jirka Kremser <jkremser@redhat.com>
(cherry picked from commit fdbe00f31d6f908246752e8a9854236f766e2425)
Signed-off-by: Jirka Kremser <jkremser@redhat.com>
[BZ 1127654] - Patternfly theme: various minor UI issues - window header icons, better icon for pencil (edit), fixing mouse cursor for header icons

(cherry picked from commit 98d63c2d7d8190ca4849f31c27bb98ec0ae0a4b7)
Signed-off-by: Jirka Kremser <jkremser@redhat.com>

Conflicts:
	modules/enterprise/gui/coregui/src/main/webapp/org.rhq.coregui.CoreGUI/sc/skins/CoreGUI/skin_styles.css