build: update dependency @angular/cli to v1.6.4

[renovate]

This Pull Request updates dependency @​angular/cli from v1.6.3 to v1.6.4

Commits

angular/angular-cli

1.6.4

• b6b8acc feat(@​angular/cli): load deployUrl and baseHref from app config for ng serve
• b5bac36 fix(@​angular/cli): copy assets with special character paths
• 99b0f9d fix(@​angular/cli): support no semicolon scripts
• c53dc67 fix(@​angular/cli): remove postcss-custom-properties
• 788c8f9 fix(@​angular/cli): show only changed chunks on build
• aa90e42 feat(@​ngtools/webpack): replace bootstrap code for server apps
• 9b85c07 fix(@​ngtools/webpack): remove message handler on main process
• f830a8d refactor(@​angular/cli): use postcss to process CSS imports
• f1bfb94 ci: fix workflow for optional builds
• 0b890e4 fix(@​angular/cli): ensure stylesheet relative tilde path conversion
• 1c78ff1 fix(@​angular/cli): license plugin config
• d53f458 feat(@​angular/cli): add trailing slash to deployUrl when missing
• b1558f2 fix(@​ngtools/webpack): update engine to node 6.9 minumum
• e5e7234 ci: run ng2/ng4/nightly in circleci like in travis
• 265eb96 feat(@​angular/cli): override suite in the protractor config
• f776d3c ci: fix Invalid string length for process buffer on circleci
• 5c60744 fix(@​angular/cli): fix old webpack's website links
• 97e8687 docs(@​angular/cli): add little note to relaunch npm after proxy.config changes
• 813fd68 fix(@​ngtools/webpack): redo #​7619 in angular_compiler_plugin
• 5eea7fa test: don't run ng5 factory test on ng2/4
• 07d3b93 fix(@​angular/cli): update to istanbul-instrumenter-loader 3.0.0
• 6d9e020 fix(@​angular/cli): update autoprefixer
• 2389310 docs: update skipCodeGeneration section
• 31296c7 release: 1.6.3

---

This PR has been generated by Renovate Bot.