Misc bugfixes from scan-build
[travis] add coverity stuff to travis
[travis] ensure we rm * last build before coverity
[axe.c] fix all coverity bugs

Mostly resource leaks on rare error conditions
[README] add coverity badge
Fix more errors after code review
[main.c] fix copypaste error in cli parsing
[libaxe] fix retval = -1 in load_tries

load_tries_single always returned -1, even on success. This fixes that
[travis] fix global env vars in travis
[travis] try fixing coverity env var syntax
[README] add coveralls badge
[travis] more attempts to fix travis ci
[travis] seperate env global section for coverity
[travis] rtfm! this should fix coverity + travis
[README] add note on not using sudo w/ home dirs
[Readme] add note about macs using /User for ~/
[README] simplify ~/bin installation instructions
[travis] do an apt-get update to fix 404ing pkgs
Fix bug in trie loading in combo mode
update kmlib