PLAT-5908 - Upgrade to Paranamer 2.6

Reviewed-by: Jim
PLAT-5881 - Fix deprecations from Joda-Beans 0.9.6

Reviewed-by: Jim
Organize imports

Reviewed-by: Jim
PLAT-5910 - Remove deprecated Guava makeComputingMap

Cannot update to later version due to dependency clash
Reviewed-by: Jim