Add config for Travis CI.

[frewsxcv]

No description provided.

[larsbergstrom]

@frewsxcv The fix for this doc bug is described here:
servo/servo#9704 (comment)

[Ms2ger]

@bors-servo r+

[bors-servo]

📌 Commit 50c965a has been approved by Ms2ger

[bors-servo]

⌛ Testing commit 50c965a with merge 41a7072...

[frewsxcv]

Latest force push

diff --git a/src/batch_builder.rs b/src/batch_builder.rs
index d340d9a..a259b4b 100644
--- a/src/batch_builder.rs
+++ b/src/batch_builder.rs
@@ -1168,14 +1168,14 @@ impl<'a> BatchBuilder<'a> {
     /// The following diagram attempts to explain the parameters to this function. It's an enlarged
     /// version of a border corner that looks like this:
     ///
-    /// ```
+    /// ```ignore
     /// ╭─
     /// │
     /// ```
     ///
     /// The parameters are as follows:
     ///
-    /// ```
+    /// ```ignore
     /// ⤹ corner_bounds.origin
     /// ∙┈┈┈┈┈┬┈┈┈┈┈┬┈┈┈┈┈
     /// ┊   ╱ ┊     ┊

[Ms2ger]

@bors-servo r+

[bors-servo]

📌 Commit a2f0eec has been approved by Ms2ger

[bors-servo]

⌛ Testing commit a2f0eec with merge c23d3cf...

[bors-servo]

☀️ Test successful - travis