Add new option "-s" to run_xgettext. Fix paths.

with this option, current directory is scanned for strings, and message.po is saved in lang/C subdir.
This is usefull when developing new addons outside from friendica tree.

util/run_xgettext.sh

@@ -1,34 +1,60 @@
 #!/bin/bash
 FULLPATH=$(dirname $(readlink -f "$0"))
 
-ADDONMODE=
+if [ "$1" == "--help" -o "$1" == "-h" ]
+then
+	echo "$(basename $(readlink -f "$0")) [options]"
+	echo
+	echo "-a | --addon <name>	extract strings from addon 'name'"
+	echo "-s | --single				single addon mode: extract string from current folder"
+	exit
+fi
+
+MODE='default'
 ADDONNAME=
 if [ "$1" == "--addon" -o "$1" == "-a" ]
 then
-	ADDONMODE=1
+	MODE='addon'
 	if [ -z $2 ]; then echo -e "ERROR: missing addon name\n\nrun_xgettext.sh -a <addonname>"; exit 1; fi
 	ADDONNAME=$2
 	if [ ! -d "$FULLPATH/../addon/$ADDONNAME" ]; then echo "ERROR: addon '$ADDONNAME' not found"; exit 2; fi
 fi
 
-if [ $ADDONMODE ]
+if [ "$1" == "--single" -o "$1" == "-s" ]
 then
+	MODE='single'
+fi
+
+
+case "$MODE" in
+	'addon')
 		cd "$FULLPATH/../addon/$ADDONNAME"
 		mkdir -p "$FULLPATH/../addon/$ADDONNAME/lang/C"
 		OUTFILE="$FULLPATH/../addon/$ADDONNAME/lang/C/messages.po"
 		FINDSTARTDIR="."
 		FINDOPTS=
-else
+	;;
-	cd "$FULLPATH/../view/en/"
+	'single')
+		FULLPATH=$PWD
+		ADDONNAME=$(basename $FULLPATH)
+		mkdir -p "$FULLPATH/lang/C"
+		OUTFILE="$FULLPATH/lang/C/messages.po"
+		FINDSTARTDIR="."
+		FINDOPTS=		
+		echo "Extract strings for single addon '$ADDONNAME'"
+	;;
+	'default')
+		cd "$FULLPATH/.."
 		OUTFILE="$FULLPATH/messages.po"
-	FINDSTARTDIR="../../"
+		FINDSTARTDIR="."
 		# skip addon folder
 		FINDOPTS="( -wholename */addon -or -wholename */smarty3 ) -prune -o"
-fi
 		
-F9KVERSION=$(sed -n "s/.*'FRIENDICA_VERSION'.*'\([0-9.]*\)'.*/\1/p" ../../boot.php);
+		F9KVERSION=$(sed -n "s/.*'FRIENDICA_VERSION'.*'\([0-9.]*\)'.*/\1/p" ./boot.php);
+		echo "Friendica version $F9KVERSION"
+	;;
+esac
 
-echo "Friendica version $F9KVERSION"
 
 KEYWORDS="-k -kt -ktt:1,2"
 
@@ -44,8 +70,8 @@ do
 done
 
 echo "setup base info.."
-if [ $ADDONMODE ]
+case "$MODE" in 
-then
+	'addon'|'single')
 		sed -i "s/SOME DESCRIPTIVE TITLE./ADDON $ADDONNAME/g" "$OUTFILE"
 		sed -i "s/YEAR THE PACKAGE'S COPYRIGHT HOLDER//g" "$OUTFILE"
 		sed -i "s/FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.//g" "$OUTFILE"
@@ -53,7 +79,8 @@ then
 		sed -i "s/PACKAGE/Friendica $ADDONNAME addon/g" "$OUTFILE"
 		sed -i "s/CHARSET/UTF-8/g" "$OUTFILE"
 		sed -i "s/^\"Plural-Forms.*$//g" "$OUTFILE"
-else
+	;;
+	'default')
 		sed -i "s/SOME DESCRIPTIVE TITLE./FRIENDICA Distributed Social Network/g" "$OUTFILE"
 		sed -i "s/YEAR THE PACKAGE'S COPYRIGHT HOLDER/2010, 2011, 2012, 2013 the Friendica Project/g" "$OUTFILE"
 		sed -i "s/FIRST AUTHOR <EMAIL@ADDRESS>, YEAR./Mike Macgirvin, 2010/g" "$OUTFILE"
@@ -61,9 +88,10 @@ else
 		sed -i "s/PACKAGE/Friendica/g" "$OUTFILE"
 		sed -i "s/CHARSET/UTF-8/g" "$OUTFILE"
 		sed -i "s/^\"Plural-Forms.*$//g" "$OUTFILE"
-fi
+	;;
+esac
 
-if [ "" != "$1" -a "$ADDONMODE" == "" ]
+if [ "" != "$1" -a "$MODE" == "default" ]
 then
 	UPDATEFILE="$(readlink -f ${FULLPATH}/$1)"
 	echo "merging new strings to $UPDATEFILE.."