SecureTerminl changed name to APowerShell

We have changed the name of SecureTerminal to APowerShell. since we move the implmentation based on MS's PowerShell. and new file release will be uploaded later. the new release will include
1) SSHcmdlet for ssh connection
2) Telnetcmdlet for telnet connection
3) a multi-tab support host implementation of powershell
4) a basic console implementation based on PowerShell SDK