Fix clippy lints and run font tests on travis

This fixes some existing clippy issues and runs the `font` tests through travis.

Testing of copypasta crate was omitted due to problens when running on headless travis-ci environment (x11 clipboard would fail).

.travis.yml

@@ -31,3 +31,4 @@ matrix:
 script:
   - if [ -n "$CLIPPY" ]; then cargo clippy --all-features --all-targets; fi
   - if [ -z "$CLIPPY" ]; then cargo test; fi
+  - if [ -z "$CLIPPY" ]; then cargo test -p font; fi

font/src/darwin/mod.rs

@@ -631,7 +631,7 @@ mod tests {
                         };
                         print!("{}", c);
                     }
-                    print!("\n");
+                    println!();
                 }
             }
         }

font/src/ft/fc/mod.rs

@@ -326,7 +326,7 @@ mod tests {
         print!("embeddedbitmap={:?}; ", font.embeddedbitmap());
         print!("lcdfilter={:?}; ", font.lcdfilter());
         print!("hintstyle={:?}", font.hintstyle());
-        println!("");
+        println!();
     }
 
     #[test]
@@ -346,7 +346,7 @@ mod tests {
             print!("style={:?}; ", font.style());
             print!("rgba={:?}", font.rgba());
             print!("rgba={:?}", font.rgba());
-            println!("");
+            println!();
         }
     }
 
@@ -367,7 +367,7 @@ mod tests {
             print!("family={:?}; ", font.family());
             print!("style={:?}; ", font.style());
             print!("rgba={:?}", font.rgba());
-            println!("");
+            println!();
         }
     }
 }

src/main.rs

@@ -180,7 +180,7 @@ fn run(mut config: Config, options: &cli::Options) -> Result<(), Box<Error>> {
             .as_ref()
             .and_then(|monitor| monitor.pending_config())
         {
-            config = new_config.update_dynamic_title(&options);
+            config = new_config.update_dynamic_title(options);
             display.update_config(&config);
             processor.update_config(&config);
             terminal.update_config(&config);