Resolve "Add custom platform directive using kwargs"

Closes #270

See merge request !98

Documentation custom directives. Deactivation of W option into ec_wrapper (turned into v temporarly), since it is not working. See #267

Bug fixes: error and output path variable expansion, exit if one job in vertical…

… wrap fails. See #267

See merge request !97

Bug fixes: error and output path variable expansion, exit if one job in vertical wrap fails. See #267

Develop



See merge request !95

- Python wrapper & job packages for EC platform

(cherry picked from commit 90de81d5)

(cherry picked from commit 5ff2d816)