Bump mMinVerticalPixelsPerMinute to 0.5 to make 24-hour views more usable (bug 133107). ui-review=me; rs=jminta@gmail.com

calendar/base/content/calendar-multiday-view.xml

@@ -1609,7 +1609,7 @@
       <field name="mBatchCount">0</field>
       <field name="mPixPerMin">0.6</field>
       <field name="mMinHorizontalPixelsPerMinute">1.0</field>
-      <field name="mMinVerticalPixelsPerMinute">0.4</field>
+      <field name="mMinVerticalPixelsPerMinute">0.5</field>
       <field name="mSelectedItem">null</field>
       <field name="mSelectedDayCol">null</field>