Rebuild files, adding `lodash.legacy` and `lodash.mobile` builds, and update docs. [closes #190]


Former-commit-id: 6167b81d8baf1e491b8cbb3e3c68c01ae6ddd865
Tweak detection of the Node.js executable in command-line arguments.


Former-commit-id: 74047748237f8defe36aea2a27e54ac72a648c93
Adjust `iife` build test and add `strict` build tests.


Former-commit-id: 1422311e7c7106e7def75b7b75800975c59127ff
really basic version of mkdir -p for -o option


Former-commit-id: 0fb635efd2043ee901c4f4eae7c6670d5b44a068
Remove `isFunction` fallback from `modern` builds


Former-commit-id: 21f51b3041b60136bb07ca775abfe91df7687639
Add `QUnit.config.noglobals` to build tests.


Former-commit-id: 4519f5322a51632ce23dc4c574365472338a18e0
Make `optionsToArray` remove falsey values.


Former-commit-id: 5c82f8ab92f67bd35030320fae06811dbb8f442b
Clarify docs for `callback` use in `_.first`, `_.initial`, `_.last`, and `_.rest`. [ci skip] [closes #189]


Former-commit-id: 12ee5f957fa67e93e40630e627d90b9aaa7eff37
Add doc not for chaining support in custom builds and tweak support rules in build.js. [closes #193]


Former-commit-id: c87f6bfe28f00d9228f4112463635d555e138a41
Merge pull request #192 from phated/master

Implement `mkdir -p` for `--output` build option.

Former-commit-id: cb7a6753d15f495a1ab8b0016edd34d5626727de
Move `mkdir -p` functionality to its own module and cleanup `--output` build tests.


Former-commit-id: b7ea2a41c60357e780e10bd3d665db3d50e7f044
Fix build.


Former-commit-id: 41b9584b63962a71f146c61fda056d15a2be4e14
Cleanup build tests and inline `_.mixin` when it's removed to preserve chaining behavior.


Former-commit-id: ed24a9acfabb70fb7093479a5c3484d966cbc5bb
Add `path.sep` for older versions of Node.js.


Former-commit-id: 1a058681fc5c6aae426902a7d6dd76b3a5849837
Ensure all temp folders made during the `--output` build tests are removed.


Former-commit-id: d5c98deebd879f594aac73d4b835c97516ee4e89
Ensure relative paths work with `--output` and `template=…` build options.


Former-commit-id: 2447466a006dc8d968969bba70a0e44f91610154
Cleanup perf/perf.js and test/test.js.


Former-commit-id: fba43c75aa25227e771a3cdd0cce0ee8ee9cdba6
Update vendors.


Former-commit-id: 92fe8e8ceacd0993fadd35c5feffddcbe319d6c7
Simplify build/mkdirp-sync.js.


Former-commit-id: b49bbea9e565dbf1d23f601af74443b33fe9fc7d
Cleanup comments in various source files.


Former-commit-id: 02e8223692e4678e78a0eadc4ffaed3e27b5a49f