remove unused Bugzilla strings

Change-Id: I8f941db1ef2c439c2fb86473057ff18bf9ee9fea
445557: generate help for Mylyn 3.14 

Change-Id: If9b3ed23bca2b74e439d6c49ab66dee36d3b4023
Task-Url: https://bugs.eclipse.org/bugs/show_bug.cgi?id=445557
455081: upgrade mylyn.org to Ubuntu 14.04

Change-Id: Ief76b52cfba9ef11d9a00e88c4d14352f49fd72e
Task-Url: https://bugs.eclipse.org/bugs/show_bug.cgi?id=455081
455081: add libfile-slurp-perl to list of Bugzilla dependencies

Change-Id: I97f60fefcf41d1858711214d41bf5d1f22a2bb65
Task-Url: https://bugs.eclipse.org/bugs/show_bug.cgi?id=455081
Remove errant nullable annotation.

Signed-off-by: Timo Kinnunen <timo.kinnunen@gmail.com>
Ignore project file.

Signed-off-by: Timo Kinnunen <timo.kinnunen@gmail.com>