Implement window.atob/btoa
Implement HTMLAnchorElement.text
Implement HTMLScriptElement.text
Make Attr::local_name an Atom.
Pass an Atom to before_remove_attr and after_set_attr.
Improve Option deconstruction
Implement HTMLTitleElement.text (closes #3025)
Replace hasInterfacePrototypeObject checks by isCallback checks in codegen.

Checking for callbacks directly makes it a lot clearer what's going on, and we
don't intend to take hasConcreteDescendant into consideration.

See also <https://bugzilla.mozilla.org/show_bug.cgi?id=1026720>.
Stop artificially constraining the size of the GC heap.
Merge pull request #3112 from Ms2ger/hasInterfacePrototypeObject

Replace hasInterfacePrototypeObject checks by isCallback checks in codegen.
Add a documentation comment for CGWrapMethod.
Cleanup the File::open_mode call.
Cleanup formatting in reftest.rs.
Merge pull request #3099 from Ms2ger/attr-local_name-atom

Make Attr::local_name an Atom; r=abinader
Merge pull request #3114 from Ms2ger/gc-max-bytes

Stop artificially constraining the size of the GC heap; r=larsberg
Merge pull request #3115 from Ms2ger/CGWrapMethod-doc

Add a documentation comment for CGWrapMethod; r=Manishearth
Create macros for simplifying element attribute getters (fixes #1931)
Use getter macros in HTMLImageElement
Merge pull request #3116 from Ms2ger/format-reftests

Cleanup formatting in reftest.rs; r=jack
Merge pull request #3082 from ChrisParis/atob

Implement window.atob/btoa; r=Manishearth