Site: Add guidelines for JIRA's fix version field
Site: Add guidelines for JIRA's fix version field

Add guidelines for setting correctly the fix version field in JIRA, as discussed with Francis Chuang and Julian Hyde.

datametica/calcite,vlsi/calcite,vlsi/calcite,apache/calcite,vlsi/calcite,julianhyde/calcite,julianhyde/calcite,looker-open-source/calcite,datametica/calcite,vlsi/incubator-calcite,jcamachor/calcite,googleinterns/calcite,jcamachor/calcite,vlsi/calcite,apache/calcite,xhoong/incubator-calcite,googleinterns/calcite,xhoong/incubator-calcite,looker-open-source/calcite,jcamachor/calcite,datametica/calcite,apache/calcite,julianhyde/calcite,datametica/calcite,googleinterns/calcite,vlsi/calcite,xhoong/incubator-calcite,googleinterns/calcite,looker-open-source/calcite,xhoong/incubator-calcite,looker-open-source/calcite,vlsi/incubator-calcite,looker-open-source/calcite,datametica/calcite,googleinterns/calcite,julianhyde/calcite,jcamachor/calcite,julianhyde/calcite,apache/calcite,googleinterns/calcite,vlsi/calcite,apache/calcite,datametica/calcite,jcamachor/calcite,jcamachor/calcite,apache/calcite,looker-open-source/calcite,julianhyde/calcite