minor, provide experimental rotz-cloud command (to generate tag clouds)

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
minor, support prefix argument to rotz-cloud (filter out tags that don't match)

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
Merge branch 'cmd/cloud' into next

* cmd/cloud:
  minor, support prefix argument to rotz-cloud (filter out tags that don't match)
  minor, provide experimental rotz-cloud command (to generate tag clouds)
minor, refactor tag del'ing guts into (local) del_tag() in rotz-del tool

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
minor, read symbols from stdin if only TAG is provided in rotz-del

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
chore, document stdin feature in rotz-del's --help output

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
fix, PEBKAC, actually use the symbol from sym space in rotz-del's del_tag()

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
Merge branch 'cmd/del' into next

* cmd/del:
  fix, PEBKAC, actually use the symbol from sym space in rotz-del's del_tag()
  chore, document stdin feature in rotz-del's --help output
  minor, read symbols from stdin if only TAG is provided in rotz-del
  minor, refactor tag del'ing guts into (local) del_tag() in rotz-del tool
hygiene, only assign to symspc_sym variable once

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
Merge branch 'cmd/add' into next

* cmd/add:
  hygiene, only assign to symspc_sym variable once
Merge branch 'next'

* next:
  hygiene, only assign to symspc_sym variable once
  fix, PEBKAC, actually use the symbol from sym space in rotz-del's del_tag()
  chore, document stdin feature in rotz-del's --help output
  minor, read symbols from stdin if only TAG is provided in rotz-del
  minor, refactor tag del'ing guts into (local) del_tag() in rotz-del tool
  minor, support prefix argument to rotz-cloud (filter out tags that don't match)
  minor, provide experimental rotz-cloud command (to generate tag clouds)