Support installation to different directoy

Introduce configuration file to set a custom seqs collection

sqnall-completion.bash

@@ -36,9 +36,19 @@ _sqnall_completions()
 }
 
 installCompletion() {
-  local SEQBASE="/opt/sequencer/seqs"
+  # Get script working directory
+  # (when called from a different directory)
+  local WDIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" >>/dev/null 2>&1 && pwd)"
+  
+  . ${WDIR}/sequencer.cfg &>/dev/null
+
+  local SEQBASE="${WDIR}/seqs"
   local SEQPREFIX="sqn_"
   local SEQSHORT=()
+  
+  # Check for user selected sequences
+  [ -e "$SEQUENCER_USER_SEQS" ] && SEQBASE="$SEQUENCER_USER_SEQS"
+
   # Create aliases and command (alias) list for "complete" command"
   SEQLIST=($(ls "$SEQBASE/$cur"*.sh))
   for i in "${!SEQLIST[@]}"; do