kdevelop is in Ubuntu repository, but won't install

[Rod Smith]

I'm unable to install kdevelop in Ubuntu 14.04LTS Desktop. The attempt yields the following:

$ sudo apt-get install kdevelop
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 kdevelop : Depends: kde-runtime but it is not going to be installed
            Depends: libkasten2controllers2abi1 (>= 4:4.10.80) but it is not going to be installed
            Depends: libkasten2core2 (>= 4:4.10.90) but it is not going to be installed
            Depends: libkasten2okteta1controllers1abi1 (>= 4:4.10.80) but it is not going to be installed
            Depends: libkasten2okteta1core1 (>= 4:4.8.90) but it is not going to be installed
            Depends: libkasten2okteta1gui1 (>= 4:4.8.90) but it is not going to be installed
E: Unable to correct problems, you have held broken packages.

System information:

$ lsb_release -rdDescription: Ubuntu 14.04 LTS
Release: 14.04

$ apt-cache policy kdevelop
kdevelop:
  Installed: (none)
  Candidate: 4:4.6.0-0ubuntu3
  Version table:
     4:4.6.0-0ubuntu3 0
        500 http://us.archive.ubuntu.com/ubuntu/ trusty/universe amd64 Packages

$ sudo apt-get check
Reading package lists... Done
Building dependency tree
Reading state information... Done

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.