while running lb config, I hit the following error
Code:
os13115@darkbox:~/Downloads/live-build-config$ lb config
[2016-05-06 00:40:35] lb config 
P: Executing auto/config script.
./auto/config: line 55: curl: command not found
Currently running :
Code:
 Linux darkbox 4.4.0-kali1-amd64 #1 SMP Debian 4.4.6-1kali1 (2016-03-18) x86_64 GNU/Linux
Further, running the command to start live build I hit this error:

Code:
os13115@darkbox:~/Downloads/live-build-config$ ./build.sh --distribution kali-rolling --variant e17 --verbose
[2016-05-06 00:43:26] lb clean --purge
P: Executing auto/clean script.
[2016-05-06 00:43:26] lb clean noauto --purge
P: Executing auto/clean script.
[2016-05-06 00:43:26] lb clean noauto --all
P: Cleaning chroot
find: ‘config/hooks/’: No such file or directory
P: Executing auto/clean script.
[2016-05-06 00:43:27] lb clean noauto --cache
find: ‘config/hooks/’: No such file or directory
find: ‘config/hooks/’: No such file or directory
[2016-05-06 00:43:27] lb config -a amd64 --distribution kali-rolling -- --variant e17
P: Executing auto/config script.
./auto/config: line 55: curl: command not found
Build of kali-rolling/e17/amd64 live image failed (see build.log for details)
os13115@darkbox:~/Downloads/live-build-config$
finally, these are no longer valid mirrors as of release of 2016.1, yet they are inside the config script of /live-build-config/auto....

Code:
 kalisec_mirror=http://archive.kali.org/kali-security
public_kalisec_mirror=http://security.kali.org/kali-security