Fix single select attribute update
Merge pull request #1103 from msokk/fix-select-update

Fix single select attribute update
Empty boolean attributes are not removed
Merge pull request #1118 from ractivejs/empty-attribute

Empty boolean attributes are not removed
Multiple select uses non-strict comparison
Merge pull request #1119 from ractivejs/multiple-select

Multiple select uses non-strict comparison
Fix #1121
Add test for #1121
Merge pull request #1122 from ractivejs/gh-1121

Fix #1121
Merge remote-tracking branch 'origin/dev' into event-bubbling
fix broken test from merge