getAllServerData() added to get server data

getAllServerData() added to get server data from MySQL
"<" added to:     script src="lib/webSqlSync.js"

Small detail. Just a "<" added.
Tests to connect with a MySQL DB

1-Multiple test added to help the implementation with a server. To test
the communication up and down. 2- Set table Id starting with zero
instead on one to match with MySQL ID start. 3- Added
syncDownloadUnits(); to populate my webSQL table from MySQL DB server.