TST - rework tests so that we do not need to download any data
RF - reuse code for reading gradient table files and add taiwan dsi
gradient table
BF - forgot to read gtab for shore test
Merge pull request #298 from MrBago/fix_shore_tests

TST - rework tests so that we do not need to download any data
BF: Put back utils.length.
Added one-line description.
Import from six for py3k compatibility.
Oh yes - we don't need itertools here anymore.
Fixed typo.
BF - use urllib to turn path to url for better portability
BF - change imports of urllib, urlparse for python3
Updated info.py and copyright year
Merge pull request #300 from MrBago/bf_fetcher_bug_on_windows

Bf fetcher bug on windows
Merge pull request #301 from Garyfallidis/update_conf

Updated info.py and copyright year
Merge pull request #299 from arokem/utils-length

BF: Put back utils.length.