Add build profile for coverity scan

Add all the language plugins i can actually compile on my machine
so that we have a bit more plugin coverage instead of the plain make.
31 more bugs reported by Coverity scan.
Merge pull request #178 from xrmx/coverity-buildconf

Add build profile for coverity scan
added --whitelist and --blacklist context
Merge branch 'master' of github.com:unbit/uwsgi
fixed --static-index when methods different from GET/HEAD are in place
first part of legion scroll implementation
improved routing + static management
removed grunt support
another routing fix
internal routing optimization
finally removed --app and static-offload-to-thread
completed legion scroll
fixed routing goto
removed Changelog, we maintain them online
fixed routing condition bug
added CacheGet to mono
fixed a typecasting
add tests for ring plugin
Merge pull request #182 from guokr/master

Ring plugin tests
let the /sequence ring test pass