Debian pkg: Move the create_table.sh script to the tools directory

Signed-off-by: Chris Larsen <clarsen@euphoriaaudio.com>
Add src/upgrade_1to2.sh script to create tree and meta tables.

Signed-off-by: Chris Larsen <clarsen@euphoriaaudio.com>
Add upgrade_1to2.sh to the debian package

Signed-off-by: Chris Larsen <clarsen@euphoriaaudio.com>
Support long milliseconds for relative timestamp parsing.
`1n` to ms is 2592000000ms, which is greater than max int at 2**31-1.
This allows any acceptable length of ms to be parsed.

Signed-off-by: Chris Larsen <clarsen@euphoriaaudio.com>