Back to development: bump to version 0.1.5-dev.

Cargo.lock

@@ -1,6 +1,6 @@
 [root]
 name = "tectonic"
-version = "0.1.4"
+version = "0.1.5-dev"
 dependencies = [
  "aho-corasick 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "app_dirs 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)",

Cargo.toml

@@ -4,7 +4,7 @@
 
 [package]
 name = "tectonic"
-version = "0.1.4"
+version = "0.1.5-dev"
 authors = ["Peter Williams <peter@newton.cx>"]
 build = "build.rs"
 description = """

src/cli_driver.rs

@@ -801,7 +801,7 @@ fn inner(matches: ArgMatches, config: PersistentConfig, status: &mut TermcolorSt
 
 fn main() {
     let matches = App::new("Tectonic")
-        .version("0.1.4")
+        .version("0.1.5-dev")
         .about("Process a (La)TeX document.")
         .arg(Arg::with_name("format")
              .long("format")