Fixes

• Improves implementation of OAuth 2
• Fixes display issues with reduced transparency mode of OS X Yosemite
• Fixes layout when scrollbars are displayed
• Fixes bug that made Dynamic Values migrated from previous versions of Paw disappear
• Adds Keyboard Shortcuts to switch between environments
• Removes name of Environment Domains in variable tokens for the sake of simplicity
• Fixes Form URL-Encoded body (characters [] were not encoded)
• Fixes issue that prevented the edition of Dynamic Values in long fields
• Ignores Proxy PAC files when it's not reachable
• Fixes other bugs and crashes