Changed deserialization strategy
Added UUID; Fixed concurrency problems in server pulls
Merge branch 'master' of https://github.com/CMPUT301W14T13/Team13GPSCommentLogger into NavjeetsBranch
Revert "fixed crash when aexiting Mapview, new requirement fully working"

This reverts commit d9b4d9f47e8f9d5d662363e8ae3a84dab2c305f2.