Replace sqlite3_open usages by sqlite3_open_v2
Make Travis CI use SQLite3 3.7.15.1 (with sqlite3_errstr)
Merge branch 'travis_ci'
Rename fail! to panic!
Rename missing_doc to missing_docs
Rename unused_variable to unused_variables
Merge branch 'fail_panic'

Conflicts:
	src/core.rs
	src/lib.rs
	src/types.rs
	tests/typical.rs
Replace sqlite3_open usages by sqlite3_open_v2
Merge branch 'open_v2' of https://github.com/gwenn/rust-sqlite3 into open_v2

Conflicts:
	src/consts.rs
Merge branch 'open_v2'

Conflicts:
	src/access.rs
	src/consts.rs
	src/core.rs
	src/lib.rs