Removed suffix for secrets, upgraded to v1 CRDs and fixed issue references

Changelog for 0.3.0-rc1:

Commits
8949350 Convert to v1 apiVersion for CRDs by @alexellis
650331e Update README.md by @alexellis
b1b2ee7 Update feature_request.md by @alexellis
0253af2 Update bug_report.md by @alexellis

Changes: 0.2.7...0.3.0-rc1

Generated by Derek