ALL SHOWER LIST edited by SonotaCo 2009 April 16

J5_xxx: WGN37-2 2009/April SonotaCo  (J5_eVi was added by 2009 burst)
Ie_xxx: IAU established list 2009/April Tadeusz Jan Jopek 
Iw_xxx: IAU working list 2009/April Tadeusz Jan Jopek 
Ig_xxx: IAU group names 2009/April Tadeusz Jan Jopek 
sm_xxx: non-duplicated showers in IMC2008 pdf Sirko Molau
J2_xxxx: non-duplicated showers in SN2006 SonotaCo Network catalog
J3_xxx: non-duplicated showers in historical records in Japan

ULE_J5.csv : confirmed showers only.
ULE_J6.csv : all non-duplicated possible showers for shower identification.
ALL_SHOWER_NAMES.csv : all shower names for name and code confirmation. Sorted by IAU code.
 sharpness: sharpness of the cluster (subjective comparison with sporadic)
   A : confirmed shower
     A1: high activity
     A2: low activity
     AP: periodic activity
   B : unconfirmed shower
     B1: Fuzzy cluster compared with sporadic around
      B1H: anti helion area
      B1A: apex area
      B1S - xxx : near xxx
     B2: Fuzzy cluster or low activity cluster
     B3: cannot be confirmed because very few observations around.
   C : sub-cluster of major shower or identical showers
   D : invalid record
   G : non-shower record (group, complex, source)  
