Bug 752836 - Don't build Thunderbird for Instantbird pushes. r=catlee
Bug 980890: disable skip-spot logic to get builds going again. r=bustage
nobug: don't classify slaves that don't have names (or connected slave objects).

this is causing some spurious exceptions in twisted logs. it's a bit of a
mystery how slaves without connected slave objects are considered available...
Bug 956631 - [tarako][build]create "tarako" build, r=nthomas
Bug 980120 - Add tooltool support to Windows builds; r=bhearsum
Backed out changeset 9c95333cc33f
Bug 976415: get instance metadata from slaves r=bhearsum
Fix bug 680203 - Make Lightning tests work with packaged-tests. r=bhearsum
Bug 976415: don't flunk on failure. r=aki
Bug 970552 - Do not use spot instances for some builders. r=catlee