change ProfileTVC from grouped to plain table

and background color
change background collor from yellow to grey
ToolsetVC backround color to grey
implement Pull-to-refresh in viewDidLoad
complete Pull-to refresh in ProfileVC
SettingVC with segue and TableView
change background in all VCs and fix toolset and resources cell
line colors adn row height in toolsetsVC
SettingsTVC and SettingsTabeView
UISwitch in SettingsVC
SettingVC table selected state