Update Realm+JSON.podspec

Bumped version to 0.2.14

Merge branch 'release/0.2.11'

Updated to include non null string transformer

Updated for Realm 0.92

Updated podspec

Updated podspec

Fixed version requirement

Updated podspec for Realm 0.90

Updated podspec

Merge branch 'master' of github.com:matthewcheok/Realm-JSON

Conflicts:
	Realm+JSON.podspec
	Realm+JSON/RLMObject+JSON.m