VBoxWrapper Release 26210

This release contains next fixes:

• vboxwrapper (Mac): fix startup failure on Mac via #6016 by @davidpanderson
• vboxwrapper: create the 'virtualbox home directory' in the project dir via #6018 by @davidpanderson
• improve vboxwrapper network setup via #6111 by @computezrmle
• setup vbox profile location via #6116 by @computezrmle
• remove obsolete function launch_vboxsvc() via #6119 by @computezrmle
• Cleanup 'launch_vboxsvc' associated code via #6129 by @computezrmle
• Replace getcwd() with boinc_getcwd() via #6132 by @computezrmle
• Remove unused files and variables via #6139 by @computezrmle