Test of examples

As all pushers and geometries have change, I'm testing all examples,
   adding a README.txt and a reference output for each case.

runs/1D_Cathode/inputRad.json

@@ -0,0 +1,51 @@
+
+{
+  "output": {
+    "path": "./runs/1D_Cathode/",
+    "triggerOutput": 100,
+    "cpuTime": false,
+    "numColl": false,
+    "EMField": true,
+	"folder": "Radial_Emission"
+  },
+  "reference": {
+    "density": 1.0e16,
+    "mass": 9.109e-31,
+    "temperature": 11604.0
+  },
+  "geometry": {
+    "dimension": 1,
+    "type":     "Rad",
+    "meshType": "gmsh2",
+    "meshFile": "mesh.msh"
+  },
+  "species": [
+    {"name": "Electron", "type": "charged", "mass": 9.109e-31, "charge":-1.0, "weight": 1.0e1}
+  ],
+  "boundary": [ 
+    {"name": "Cathode",  "physicalSurface": 1, "bTypes": [
+                                                  {"type": "absorption"}
+                                                ]},
+    {"name": "Infinite", "physicalSurface": 2, "bTypes": [
+                                                  {"type": "transparent"}
+                                                ]}
+  ],
+  "boundaryEM": [
+    {"name": "Cathode",  "type": "dirichlet", "potential":  0.0, "physicalSurface": 1}
+  ],
+  "inject": [
+    {"name": "Plasma Cat e",     "species": "Electron", "flow":  2.64e-2, "units": "A", "v": 180000.0,   "T": [ 2300.0,  2300.0,  2300.0],
+                                 "velDist": ["Maxwellian", "Maxwellian", "Maxwellian"],     "n": [ 1, 0, 0], "physicalSurface": 1}
+  ],
+  "solver": {
+    "tau":  [1.0e-11],
+    "finalTime": 1.0e-8,
+    "pusher": ["Electrostatic"],
+    "EMSolver": "Electrostatic"
+  },
+  "parallel": {
+    "OpenMP":{
+      "nThreads": 24
+    }
+  }
+}