JIRA-1706 fix
Quickfix NPE fixes for vertical ruler. Extract constant and extract
local variable.
Merge pull request #14 from BoykoAlex/jira1706

JIRA-1706 fix
Merge pull request #15 from BoykoAlex/NPE_quickfix

Quickfix NPE fixes for vertical ruler. Extract constant and extract
workaround for Jeffs issue...
Relax constraint between greclipse headless and jdt patch feature
Merge branch 'master' of github.com:groovy/groovy-eclipse