Update syntect dump files

Update theme dump

Update github release task as well

Merge pull request getzola#678 from getzola/next

0.8.0

Merge pull request getzola#644 from getzola/next

v0.7.0

Merge pull request getzola#529 from getzola/next

0.5.1

Fix travis badge

Merge pull request getzola#368 from Keats/next

Next version

Prepare 0.4.1