Add example script and test to convert (x)Digi file into MDF

cc: @cattanem

added 1 commit

• 0fc1d2c8 - add a simple test for the ExampleXDigiToMDF script

Compare with previous version

• [2018-05-15 00:12] Validation started with lhcb-head#1853
• [2018-05-15 00:14] Validation started with lhcb-gaudi-head-py3#154
• [2018-05-15 00:14] Validation started with lhcb-lcg-dev3#525
• [2018-05-15 00:14] Validation started with lhcb-lcg-dev4#525
• [2018-05-15 00:15] Validation started with lhcb-clang-test#952
• [2018-05-15 00:16] Validation started with lhcb-tdr-test#151
• [2018-05-15 00:19] Validation started with lhcb-gaudi-head#1867
• [2018-05-15 08:40] Validation started with lhcb-gaudi-merge#516

changed title from Add example script to convert (x)Digi file into MDF to Add example script and test to convert (x)Digi file into MDF

merged

mentioned in commit c5409bd6

mentioned in commit 5cf8b3d4

mentioned in merge request !1328 (merged)