* guix-jupyter-kernel.scm (error->shtml, error->html): New procedures.
  (reply-execute-request): Catch 'guix-kernel' exception.
* guix-kernel/environ.scm (make-profile): Catch all exception and throw
  'guix-kernel' exception.

* guix-kernel/environ.scm (make-new-environment): Fix 'alocal' path.

* guix-kernel/environ.scm: Export 'env->str'.
* tests/environ.scm: New file.
* Makefile.am: Add 'tests/environ.scm' to SCM_TESTS.

* guix-kernel/environ.scm (m-build-profile->path, new-profile-path):
  New procedures.
  (env-profile->str): New procedure.
  (make-nex-environment): Use profile.
  Add cpath, infopath, manpath, libpath, alocal, jupyter,
  guile-load-path, guile-compiled.

* guix-jupyter-kernel.scm (new-subkernel-connect): Delete sub-socket-iosub.
* guix-jupyter-subkernel.scm: Delete socket-iopub.
* guix-kernel/environ.scm: Minor chance on environment creation.

* Makefile.am (kernel.json): Delete rule.
* environment.scm (arguments): substitute openssl, guile, guile-load-path,
  guile-load-compiled-path and kernel path.
  (source): Use local file.
* guix-kernel/environ.scm (guile-current-load-path->args-list,
  guix-current-load-compiled-path->args-list): New procedures.
* kernel.json: Rename 'kernel.json.in' to 'kernel.json'.
  (argv) Add '@guile@', '@LOAD_PATH@', '@LOAD_COMPILED_PATH@' and
  '@guix-jupyter-kernerl.scm@' for subsitution.
* guix-jupyter-kernel.scm (start-sub-kernel): Propagated guile load path
  and load compiled path.

* Makefile.am: Add GPLv3+ header.
* configure.ac: Add GPLv3+ header.
* guix-jupyter-kernel.scm: Add GPLv3+ header.
* guix-jupyter-subkernel.scm: Add GPLv3+ header.
* guix-kernel/environ.scm: Add GPLv3+ header.
* guix-kernel/hmac.scm: Add GPLv3+ header.
* guix-kernel/magic.scm: Add GPLv3+ header.
* guix-kernel/tools.scm: Add GPLv3+ header.

* guix-jupyter-kernel.scm: Move from 'src/'.
* guix-jupyter-subkernel.scm: Move from 'src/'.
* guix-kernel/environ.scm: Move from 'src/'.
* guix-kernel/hmac.scm: Move from 'src/'.
* guix-kernel/magic.scm: Move from 'src/'.
* guix-kernel/tools.scm: Move from 'src/'.
* kernel.json.in: Move from 'src/kernel.json'.
  (argv): Add '@guilemoduledir@'.
* env.in: New file.
* bootstrap: New file.
* configure.ac: New file.
* guile.am: New file.
* Makefile.am: New file.
* environment.scm: New file.
* VERSION: New file.

* src/guix-kernel/environ.scm: Update functions.

* src/guix-kernel/environ.scm: Use monads.

* src/guix-kernel/environ.scm: New file.
  (all-packages): New variable.
  (store): New variable.
  (find-package): New procedure.
  (get-package-path): New procedure.
  (guile-current-version-path): New procedure.
* src/guix-jupyter-kernel.scm (start-sub-kernel): Dynamic guile path.