Merge pull request #33 from pulibrary/issue32

remove leasing slash from path when redirecting bare identifiers
Merge branch 'development' of github.com:pulibrary/loris into development
tiny flow cleanup
greyscale images need to have im.mode RGB
handle teeny, tiny size requests as 1px
fixed permissions bug w/ install
added a sample alternative resolver
tweaks to work against validator
bumped version; routing fix for apache
use floor() instead of round()
new test color jp2
wow, this was really broken
let apache set cache-control and expires headers
instructions about cache headers
no more cache control; set that w/ apache
bumped version
routing for bad params should be fixed now
bad format by extension now 400
add png support, just so we can tick all of the boxes
jp2 w/h are 4-byte big endian unsigned integers