pollEndpoint: improve error output

FUSE: Stop treating "no errors" as an error

t0090: test ipfs get offline as well as online

test: add README with sharness test command coverage

See issue #906 (sharness test command coverage) that
discussed this.

License: MIT
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>

To do that the current tests are move inside a
test_get_cmd() function. This function is then first
called before running the daemon for offline tests
and then after starting the daemon for online tests.

License: MIT
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>

Feat/ls headers

- added tests for 'ipfs ls --headers'
- comments from CR (opts)
- sharness: fix ls test whitespace

t0060-daemon.sh: Add 1 test

dht: tone down dht bootstrap

move to a less aggressive period. 5m instead of 20s

fix for weird repo init issue

travis: enable osx

updated goprocess -- bugfixes

ipnsfs

sharness/t0110-gateway: fix /s fail on osx

Refactor/keyspace