I tried to install Conky-manager and this is the result. Can you help.
[bernard@bernard-pc ~]$ kcp -i conky-manager
Cloning into 'conky-manager'...
remote: Counting objects: 28, done.
remote: Total 28 (delta 0), reused 0 (delta 0), pack-reused 28
Unpacking objects: 100% (28/28), done.
Checking connectivity... done.
Do you want to edit PKGBUILD? [Y/n] n
Do you want to edit conky-manager.install? [y/N] n
==> Making package: conky-manager 2.3.3-1 (Wed 21 Oct 16:49:25 BST 2015)
==> Checking runtime dependencies...
==> Installing missing dependencies...
resolving dependencies...
looking for conflicting packages...
Package (12) New Version Net Change Download Size
main/at-spi2-atk 2.16.0-1 0.23 MiB 0.05 MiB
main/at-spi2-core 2.16.0-1 2.53 MiB 0.22 MiB
main/audiofile 0.3.6-1 0.88 MiB 0.17 MiB
main/libmikmod 3.3.7-1 0.35 MiB 0.13 MiB
main/libmpdclient 2.10-1 0.53 MiB 0.08 MiB
main/libnfs 1.9.8-1 0.83 MiB 0.12 MiB
main/mpd 0.19.10-3 1.41 MiB 0.36 MiB
main/sdl_sound 1.0.3-16 0.53 MiB 0.11 MiB
main/smpeg 0.4.5-1 0.36 MiB 0.09 MiB
main/yajl 2.1.0-1 0.22 MiB 0.04 MiB
apps/conky 1.10.0-2 0.83 MiB 0.23 MiB
main/gtk3 3.16.7-1 42.65 MiB 6.30 MiB
Total Download Size: 7.91 MiB
Total Installed Size: 51.34 MiB
:: Proceed with installation? [Y/n] y
:: Retrieving packages ...
audiofile-0.3.6-1-x... 172.7 KiB 170K/s 00:01 [-------------------] 100%
libmpdclient-2.10-1... 78.2 KiB 224K/s 00:00 [-------------------] 100%
yajl-2.1.0-1-x86_64 36.6 KiB 642K/s 00:00 [-------------------] 100%
libmikmod-3.3.7-1-x... 135.5 KiB 433K/s 00:00 [-------------------] 100%
smpeg-0.4.5-1-x86_64 96.0 KiB 640K/s 00:00 [-------------------] 100%
sdl_sound-1.0.3-16-... 109.0 KiB 641K/s 00:00 [-------------------] 100%
libnfs-1.9.8-1-x86_64 121.5 KiB 640K/s 00:00 [-------------------] 100%
mpd-0.19.10-3-x86_64 372.9 KiB 636K/s 00:01 [-------------------] 100%
at-spi2-core-2.16.0... 229.1 KiB 636K/s 00:00 [-------------------] 100%
at-spi2-atk-2.16.0-... 50.1 KiB 651K/s 00:00 [-------------------] 100%
gtk3-3.16.7-1-x86_64 6.3 MiB 629K/s 00:10 [-------------------] 100%
conky-1.10.0-2-x86_64 240.2 KiB 637K/s 00:00 [-------------------] 100%
(12/12) checking keys in keyring [-------------------] 100%
(12/12) checking package integrity [-------------------] 100%
(12/12) loading package files [-------------------] 100%
(12/12) checking for file conflicts [-------------------] 100%
(12/12) checking available disk space [-------------------] 100%
( 1/12) installing audiofile [-------------------] 100%
( 2/12) installing libmpdclient [-------------------] 100%
( 3/12) installing yajl [-------------------] 100%
( 4/12) installing libmikmod [-------------------] 100%
( 5/12) installing smpeg [-------------------] 100%
Optional dependencies for smpeg
glu: to use glmovie [installed]
( 6/12) installing sdl_sound [-------------------] 100%
( 7/12) installing libnfs [-------------------] 100%
( 8/12) installing mpd [-------------------] 100%
( 9/12) installing conky [-------------------] 100%
(10/12) installing at-spi2-core [-------------------] 100%
(11/12) installing at-spi2-atk [-------------------] 100%
(12/12) installing gtk3 [-------------------] 100%
==> Checking buildtime dependencies...
==> Installing missing dependencies...
resolving dependencies...
looking for conflicting packages...
Package (1) New Version Net Change Download Size
main/vala 0.30.0-1 9.97 MiB 1.54 MiB
Total Download Size: 1.54 MiB
Total Installed Size: 9.97 MiB
:: Proceed with installation? [Y/n] y
:: Retrieving packages ...
vala-0.30.0-1-x86_64 1581.2 KiB 467K/s 00:03 [-------------------] 100%
(1/1) checking keys in keyring [-------------------] 100%
(1/1) checking package integrity [-------------------] 100%
(1/1) loading package files [-------------------] 100%
(1/1) checking for file conflicts [-------------------] 100%
(1/1) checking available disk space [-------------------] 100%
(1/1) installing vala [-------------------] 100%
==> Retrieving sources...
-> Downloading conky-manager_2.3.3~132~ubuntu15.04.1.tar.xz...
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0curl: (22) The requested URL returned error: 404 Not Found
==> ERROR: Failure while downloading conky-manager_2.3.3~132~ubuntu15.04.1.tar.xz
Aborting...
exit status 1