Adjust order of Travis scripts and add Memcache dependency
Adjust order of Travis scripts and add Memcache dependency

Kosta-Github/TileStache,TileStache/TileStache,MetGIS/TileStache,MetGIS/TileStache,jbants/TileStache,moskvax/TileStache,mapzen/TileStache,Blechhirn/TileStache,Billups/TileStache,TileStache/TileStache,mapzen/TileStache,Blechhirn/TileStache,SEL-Columbia/TileStache,Kosta-Github/TileStache,Kosta-Github/TileStache,SEL-Columbia/TileStache,TileStache/TileStache,mapzen/TileStache,jbants/TileStache,moskvax/TileStache,SEL-Columbia/TileStache,Billups/TileStache,jbants/TileStache,moskvax/TileStache,Billups/TileStache,Blechhirn/TileStache,mojodna/TileStache,MetGIS/TileStache,mojodna/TileStache