Cross-compile in 2.10
Update Scallop from version 0.6.3 to 0.9.1
Merge pull request #169 from wajam/manu-scallop

Update Scallop from version 0.6.3 to 0.9.1
Merge pull request #168 from wajam/alex-cross-compile-2091-2100

Cross-compile in 2.10
Merge branch 'master' into jn-shard-down-alert
imports no longer needed