Renamed VariableSymbol to ParameterSymbol, introduced layer variable...

Renamed VariableSymbol to ParameterSymbol, introduced layer variable declarations and changed IOSymbol to VariableSymbol which now combines IO variables and layer variables
3 jobs for develop in 4 minutes and 54 seconds (queued for 1 second)
Status Name Job ID Coverage
  Windows
passed masterJobWindows #428931
Windows10

00:01:27

 
  Linux
passed BranchJobLinux #431405

00:03:26

failed BranchJobLinux #428932

00:01:05