Fixes #26 Added available config to README

Fix NaN values in metrics

- use safe division wrapper function to compute percentage
- remove unused fields in internal struct

Update from Intelsdi-x pluginsync 0.1.9

Switched to glide

Renamed folder `task` to `tasks` to be consistent with README

Update snap binary names to snaptel/snapteld

Updated doc and example

Update from Intelsdi-x pluginsync 0.1.8

Fix for issue #10: Namespace ambiguity issue for filesystem mount point part of metrics

Add configurable option for keeping unchanged mountpoints

Configurable excluded fs types

Added more wildcards combinations (like for SMART collector pluign)
Added more tests for better coverage

Fixed test execution
Added more tests for better coverage

Update from Intelsdi-x pluginsync 0.1.5

More excluded fs types

Dynamic metrics

- increase plugin version
- adapt task example to dynamic metrics
- adapt task to new name of file publisher plugin

Fixed godeps

No df cmd exec, using /proc filesystem (/proc/1/mountinfo)