test for #1006
load autoloads also before init'ing packages

Fixes #1006 with less performance concerns than 39846270a7b149. This one
only evaluates the autoloads file one extra time.
only need to preload autoloads when not lazy
Merge pull request #1377 from npostavs/autoloads-after2

Load autoloads file before `el-get-init-and-install`