Show alert if no input on #password page
Do not fail with empty password when on #layout
Fix password selector

This reverts commit f01f2454cc.

Bump npm version installed by travis
Update package-lock for latest npm version
Bump packages versions and clean-up unused
Missing datatables.js images to avoid warnings

* revise first-time-use screen
* generate password (policy applies)
* hide/reveal password text for sta/admin settings
* changed autocomplete='...' for some inputs to avoid completion

* Fix env size formatting
* Windows support for ota.py
* Sort queue by board to speed up compilation
* Safeguard .pioenvs/elfs

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* mkdir: (coreutils)mkdir invocation.           Create directories.
* mkfifo: (coreutils)mkfifo invocation.         Create FIFOs (named pipes).
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* mv: (coreutils)mv invocation.                 Rename files.
* nice: (coreutils)nice invocation.             Modify niceness.
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Kernel
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Sound
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TeX
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                                Update ls-R.
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                                MF source generation.
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Text creation and manipulation
* Diffutils: (diffutils).       Comparing and merging files.
* M4: (m4).                     A powerful macro processor.
* grep: (grep).                 Print lines matching a pattern.
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