refactoring (compute hilites one time per page)
Merge branch 'master' into ice-cream-sandwich
Merge branch 'beta' into beta-ics
Merge branch 'master' into beta
Merge branch 'ice-cream-sandwich' into beta-ics
added ZLTextPosition.compareToIgnoreChar()
Merge branch 'master' into beta
Merge branch 'master' into ice-cream-sandwich
Merge branch 'beta' into beta-ics
Merge branch 'ice-cream-sandwich' into beta-ics