Standardise the config.xml files

[ColinEberhardt]

Many of the projects use PhoneGap Build, and so have a config.xml file. There should be a standard template for these.

[ColinEberhardt]

Also, PGBuild will stop supporting PG1.9 and below shortly:

https://build.phonegap.com/blog/ending-support-for-phonegap-1-9

We might need to update our config files soon!