TravisCI: test flash9
TravisCI: test flash8, in allow_failures.
Merge remote-tracking branch 'origin/development' into travis
TravisCI: test as3, in allow_failures.
TravisCI: use Sys.command instead of Process
TravisCI: use a US mirror to download flex sdk
The Hong Kong one was too slow on TravisCI...
TravisCI: quiet tar
TravisCI: rearranged the order of TARGET.
Builds that are in the front seems to start earlier, so put the failing builds at the end as they are kind of less important.
Merge pull request #2429 from andyli/travis

TravisCI: all targets enabled!