Bug 346785 - Call hierarchy implementation

Change-Id: I8bb3004314dab39f77b5ed0b1630485dc90a98a1
Signed-off-by: Dawid Pakuła <zulus@w3des.net>
No bug - Improve call hierarchy

Signed-off-by: Dawid Pakuła <zulus@w3des.net>
Bug 428194 - Switch to java 6

Conflicts:
	plugins/org.eclipse.php.server.ui/META-INF/MANIFEST.MF

Signed-off-by: Dawid Pakula <zulus@w3des.net>
Bug: https://bugs.eclipse.org/bugs/show_bug.cgi?id=428194