minor #2387 Fix Finnish monthShort translations as 3 letter invalid (RGunning, acrobat)
minor #2387 Fix Finnish monthShort translations as 3 letter invalid (RGunning, acrobat)

This PR was squashed before being merged into the 1.10-dev branch.

Discussion
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The 3 letter monthShort codes are not used in Finnish, so fixed translations to valid shortenings

| Q               | A
| --------------- | ---
| Bug fix?        | yes
| New feature?    | no|yes
| BC breaks?      | no|yes
| Related tickets | fixes #X, partially #Y, mentioned in #Z
| License         | MIT


Commits
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bb96dbfc532edf962011a538b7b390eafdf37567 Fix Finnish monthShort translations as 3 letter invalid
307362cf75f8f22adb6d08ee3cdc7fc6a0a5953f Merge branch 'master' into patch-2

eternicode/bootstrap-datepicker,uxsolutions/bootstrap-datepicker,eternicode/bootstrap-datepicker,uxsolutions/bootstrap-datepicker