Adapt cocaine-tool for new Storage API v2

Add tags to content: PROFILES, RUNLISTS, and APPS.
Replace storage list method with find.
Remove list-hook in remove
Rewrite tags in lowercase
Merge pull request #33 from noxiouz/master

Adapt for the new Storage API v2.
Bring in crashlog chages from the 'ipvs' branch.

Guarded crashlog store operations, changed crashlog key generation
algorithm, crashlog appname tagging.
Merge branch 'master' of github.com:cocaine/cocaine-core
Merge branch 'master' into ipvs