GRECLIPSE-1700
Fix applied for all groovy versions
Revert "GRECLIPSE-1700"

This reverts commit 47375cdaee858f3d0874548efc00fe0d6ae224a9.
GRECLIPSE-1700
Fix for groovy 2.3
Merge branch 'master' of https://github.com/groovy/groovy-eclipse
Advanced method search for interfaces implemented.
Bad commit reverted.
Minor modification of SimpleTypeLookup.java
A test for GRECLIPSE-1755 added.
Merge pull request #62 from kizhaevv/GRECLIPSE-1755

Greclipse 1755