Added 'tee' to the logging command in install.sh

The previous line wrote to a file but suppressed running script output
to the console. Piping this command to 'tee' allows for logging
and console output.

Change-Id: I61ba46c03c3d098d892bafdb3762356ed835a4af
Merge "Added 'tee' to the logging command in install.sh"
Merge remote-tracking branch 'upstream/master' into icehouse