mobile: find

Fix #387
Fix Eclipse warnings

Target Java 1.6 not 1.5
Fix find
Merge pull request #398 from bootstraponline/dynamic_android

Add Android dynamic find
Check that clean apk is signed

Before we assumed that the clean apk was properly signed if it existed.
Now we check that the signature is correct and resign it automatically.
Merge pull request #409 from bootstraponline/sign_fix

Check that clean apk is signed
need extra brackets for these tests to pass (fixes #408)
safe javascriptage
remove stray console log
update testapp project properties