(doc) Added #rust-webdev to README.
(refactor) Move TARGET in configure script.
Merge pull request #32 from zzmp/refactor/configure-target

(refactor) Move TARGET in configure script.
Merge pull request #31 from zzmp/doc/readme-rust-webdev

(doc) Added #rust-webdev to README.
(fix) Temporary hack for travis.
(fix) Fixed an upstream change of : -> + for trait bounds.