Changes

| kernel/crtools || Fix shared regions migration || gorcunov@ || - || -

| kernel/crtools || Fix shared regions migration || gorcunov@ || - || -

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| crtools || Learn to work with shared struct file-s || avagin@ || not implemented || depends on "object IDs". Need to send file via unix socket

| crtools || Learn to work with shared struct file-s || avagin@ || done || depends on "object IDs". Need to send file via unix socket

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| kernel/crtools || Learn to work with namespaces (ipc and net are of the most interest) || gorcunov@ || not implemented || depends on "object IDs"

| kernel/crtools || Learn to work with namespaces (ipc and net are of the most interest) || gorcunov@ || not implemented || depends on "object IDs"