Fix some error parser unit tests. A trailing colon was being included in several source files.
Part of the fix is in CDT fix <https://bugs.eclipse.org/bugs/show_bug.cgi?id=296966> and Austin/MCL/sftools/dev/eclipseenv/eclipse 123:71e3840b8eca
tutorials.uid-birthday = intro/uid.gif
tutorials.uid-birthday:hover = intro/uid_hov.gif
tutorials.uid-yahoo = intro/uid.gif
tutorials.uid-yahoo:hover = intro/uid_hov.gif
whatsnew.uid-note = intro/uid.gif
whatsnew.uid-note:hover = intro/uid_hov.gif
overview.uid-features = intro/uid.gif
overview.uid-features:hover = intro/uid_hov.gif