Merge pull request #1 from moonso/develop

Pulling in latest updates from moonso
Update README.md
Merge branch 'tzhughes-develop' into develop
Fixed -genes flag. Checking if files exist. Annotates CADD scores, both snv:s and 1000g list
Support annoation with 1000g frequencies, fixed problem when switching chromosomes in the batches
Finished feature add_1000g_cadd.
Bumped version and updated README
Finished release v1.1.