Metalinks Code

Added support for the metalink accept HTTP header.

Updated translation support

synced with appupdater changes, added options to specify gpg path

handle case where all tests in a group fail

Improved file checking, fix for dynamic metalink attribute

Added segmented switch to console.py, changed call to get to be used with any file type.

moved untested tests to unused

Updated tests, remove urls so they could fail faster, massive tester code improvements

Updated file names for fail cases

More renaming, first stab at real tester tool