Fix argument order for ert-deftest

By documentation, :expected-result must come first
[Fix #420] Add flycheck-clang-blocks
Fix rust test case

Integers became generic in Rust, making type inference fail, so use a
boolean constant instead
Ignore issue references in make linkcheck
Update puppet-lint URL
Rebuild Texinfo manual
Simplify flycheck-locate-config-file-projectile
Simplify flycheck-checker-shell-command

Use combine-and-quote-strings and remove redundant
flycheck-substitute-shell-argument.