CQUT-23: 000 is visible for package manager output when pkg group not specified

[kitarek]

$ ./cqbld -u admin yyy 2>/dev/null
000<crx version="2.3.42" user="admin" workspace="crx.default">
  <request>
    <param name="cmd" value="build"/>
    <param name="name" value="yyy"/>
  </request>
  <response>
    <log>
Packaging content......
A META-INF
A META-INF/vault
A META-INF/vault/config.xml
A META-INF/vault/filter.xml
A META-INF/vault/nodetypes.cnd
A META-INF/vault/properties.xml
A /.content.xml
A /content
A /content/.content.xml
- Aggregation status: 1 of 0 prepared, 0 collected
A META-INF/vault/definition/.content.xml
Package created in 67ms.
    </log>
    <status code="200">ok</status>
  </response>
</crx>

[kitarek]

Several tools are affected by this bug:

• cqbld
• cqrun
• cqdel
• cqrev
• cqcp

Most probably group arguments are incorrectly passed to curl. They should be added using xargs.