pressure loss: add translations for short title/description

refs #585

src/locale/messages.en.json

@@ -261,6 +261,8 @@
     "INFO_LECHAPTCALMON_DESCRIPTION": "pipe flow circular headloss",
     "INFO_LECHAPTCALMON_TITRE_COURT": "Lechapt-C.",
     "INFO_LECHAPTCALMON_TITRE": "Lechapt-Calmon",
+    "INFO_PRESSURELOSS_TITRE_DESCRIPTION": "Headloss in a pipe flow",
+    "INFO_PRESSURELOSS_TITRE_COURT": "Press. loss",
     "INFO_PRESSURELOSS_TITRE": "Pressure loss",
     "INFO_LIB_ABSCISSE": "Abscissa (m)",
     "INFO_LIB_ALTITUDE": "Altitude (m)",

src/locale/messages.fr.json

@@ -261,6 +261,8 @@
     "INFO_LECHAPTCALMON_DESCRIPTION": "Hydraulique en charge conduite colebrook",
     "INFO_LECHAPTCALMON_TITRE_COURT": "Lechapt-C.",
     "INFO_LECHAPTCALMON_TITRE": "Lechapt-Calmon",
+    "INFO_PRESSURELOSS_TITRE_DESCRIPTION": "Pertes dans une conduite en charge",
+    "INFO_PRESSURELOSS_TITRE_COURT": "Perte de ch.",
     "INFO_PRESSURELOSS_TITRE": "Perte de charge",
     "INFO_LIB_ABSCISSE": "Abscisse (m)",
     "INFO_LIB_ALTITUDE": "Altitude (m)",