bump ripgrep, ignore, globset

The `ignore` and `globset` crates both got breaking changes in the
course of fixing #444, so increase 0.x to 0.(x+1).

ignore/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "ignore"
-version = "0.1.9"  #:version
+version = "0.2.0"  #:version
 authors = ["Andrew Gallant <jamslam@gmail.com>"]
 description = """
 A fast library for efficiently matching ignore files such as `.gitignore`
@@ -19,7 +19,7 @@ bench = false
 
 [dependencies]
 crossbeam = "0.2"
-globset = { version = "0.1.4", path = "../globset" }
+globset = { version = "0.2.0", path = "../globset" }
 lazy_static = "0.2"
 log = "0.3"
 memchr = "1"