updating to use newer audio icons
Removed Trim Button from Photo/Gallery projects.  Issue #1840
Fixed overlapping columns on Make tab.  Issue #1847.
Changed middle tab from Order to Edit. Issue 1932
Added Hack to make Audio Crossfade never equal 0.  Issue #1950
Fixed timing issue causing Audio out of Sync on Export.  Issue #1947.
merge cleanup
bump version to 0.0.6-beta3-build87