Done -i flag > initialize iso-profiles folder as user request

Signed-off-by: Ste74 <stefano@manjaro.org>

README.md

@@ -200,7 +200,7 @@ buildiso is used to build manjaro-iso-profiles. It is run insde the profiles fol
 ~~~
 $ buildiso -h
 Usage: buildiso [options]
-    -I                 Initialize iso-profiles repo [default: v17.1]"
+    -i                 Initialize iso-profiles repo [default: v17.1]"
     -a <arch>          Arch [default: auto]
     -b <branch>        Branch [default: stable]
     -c                 Disable clean work dir
@@ -228,7 +228,7 @@ Usage: buildiso [options]
 * Remember: if you run buildiso for the first time you need to do:
 
 ~~~
-buildiso -I
+buildiso -i
 ~~~
 
 for download in /usr/share/manjaro-tools/iso-profiles our manjaro profiles. You can override in manjaro-tools.conf what branch use with buildiso: v17.1 or master ( development profiles ). The previous command can be used to refresh the profiles as needed in your local.

bin/buildiso.in

@@ -104,7 +104,7 @@ initialize=false
 
 usage() {
     echo "Usage: ${0##*/} [options]"
-    echo "    -I                 Initialize iso-profiles repo [default: ${branch}]"
+    echo "    -i                 Initialize iso-profiles repo [default: ${branch}]"
     echo "    -p <profile>       Buildset or profile [default: ${build_list_iso}]"
     echo "    -a <arch>          Arch [default: ${target_arch}]"
     echo "    -b <branch>        Branch [default: ${target_branch}]"
@@ -134,11 +134,11 @@ usage() {
 
 orig_argv=("$@")
 
-opts='p:a:b:r:t:k:i:g:d:cfzxmvqhI'
+opts='p:a:b:r:t:k:g:d:cfzxmvqhi'
 
 while getopts "${opts}" arg; do
     case "${arg}" in
-     	I) initialize=true ;;
+     	i) initialize=true ;;
         a) target_arch="$OPTARG" ;;
         b) target_branch="$OPTARG" ;;
         c) clean_first=false ;;