Feature: show full hostname

Closed Johann Dreo requested to merge github/fork/berserck/feature/showDomain into develop

Created by: berserck

Added possibility to show domain if host name is shown.

I've added the option LP_DOMAIN to show the domain if the host name is shown. I also edited the test.sh file to test for new feature.

I'm using the command hostname -f instead of the \H (for bash) and %M(for zsh) because I noticed that the \H is bash is not the same in all systems (zsh is coherent):

In macos (bash 3.2.48(1)-release) and freeBSD(bash 4.2.45(0)-release) :

# hostname -f
host.domain
# export PS1=" \\\h=\h \\\H=\H #"
 \h=host \H=host.domain #

In linux: SLC6 (bash: 4.1.2(1)-release), debian(bash:4.2.37(1)-release ) and ubunto(bash: 4.2.25(1)-release) ):

# hostname -f
host.domain
# export PS1=" \\\h=\h \\\H=\H #"
 \h=host \H=host #

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