Add spaces: Joindate:January16,2014

Answer: Join date: January 16, 2014

Add spaces: Thishasbeenthefirstleapyear(29thFebruary)andarealleapyearforTransposh.

Answer: This has been the first leap year (29th February) and a real leap year for Transposh.

Add spaces: TheStirlingbomber"M"formother,thatwasshotdownoverDenmarkonthenightofApril21.

Answer:
The Stirling bomber "M" for mother, that was shot down over Denmark on the night of April 21.