fix-edit-button: handle new hierarchy of nested examples
travis: Use packaged rust-nightly
{macros/dry,simd/simd_add}: make macros hygienic
The "crate_id" attribute is deprecated
tasks: fix typo
literals: fix typo. next chapter is wrong, changing to chapter five.
fix method name: read_to_str should be read_to_string
Fix method name: read_to_str -> read_to_string

In one of the recent nightlies, `read_to_str` was renamed to
`read_to_string`. The PR fixes the spots where I noticed the old
usage.
JSON: Encoder::str_encode replaced by json::encode
changing link text to another chapter
expression: fix typo. making blocks plural
Merge pull request #162 from EduardoBautista/remove_deprecated_attribute

The "crate_id" attribute is deprecated
Merge pull request #164 from laggyluke/patch-1

tasks: fix typo
Merge pull request #165 from brianloveswords/fix-read_to_str

Fix method name: read_to_str -> read_to_string
Merge pull request #166 from emkay/typo-fix

literals: fix typo. next chapter is wrong, changing to chapter five.
Merge pull request #168 from emkay/fix-method-name

fix method name: read_to_str should be read_to_string
Merge pull request #169 from vojtechkral/json-update

JSON: Encoder::str_encode replaced by json::encode
Merge pull request #170 from emkay/typo-expressions

expression: fix typo. making blocks plural
Tests now deny deprecated functions
process: `str::from_utf8_lossy` has been deprecated, use ...

`String::from_utf8_lossy` instead