Update qs dependency

See https://nodesecurity.io/advisories/qs_dos_extended_event_loop_blocking
Merge pull request #54 from pdehaan/patch-1

Update qs dependency
version bump
Added inMemory option to keep data in a Buffer and not automatically write to disk
Added inmemory documentation and package version bump
Tweaked inmemory documentation
Merge pull request #62 from jpfluger/inmemory

options.inMemory added (is backwards compatible)
module: update to template

https://github.com/jshttp/style-guide/tree/703319/template
module: enable travis
module: use LICENSE file
travis: do not run on node 0.8
deps: use tilde deps pinning (patch-pin)
lib: when inmemory true, still populate file.path
docs: updated inmemory docs
lib: if includeEmptyFields set to true, don't check again to prevent loosing empty strings in arrays
test: added checkboxes to validate includeEmptyFields behavior
pck: version bump to 0.1.6
updates