Add symbols.rb to gem specification and bump version to 2.1.4.
Add symbols.rb to gem specification and bump version to 2.1.4.

nilbus/money,bnmrrs/money,kewaunited/money,gregoryhappyfresh/money,BrandyMint/money,richardvenneman/money,saizai/money,insphire/money,pixeltrix/money,RubyMoney/money,printercu/money,paulodiniz/money,AlexVPopov/money,antstorm/money,maicoin/money,envato/money,bonusly/money