Rev480, Skip non-ascii files at signing, Fix gevent 1.1alpha compatibility

src/Test/testdata/1TeSTvb4w2PWE81S2rEELgmX2GCCExQGT/content.json

@@ -120,15 +120,15 @@
    "signers_required": 1
   }
  }, 
- "modified": 1443645832.748, 
+ "modified": 1445621835.637, 
  "optional": "(data/img/zero.*|data/optional.txt)", 
  "sign": [
-  33155653220731268227776289017011639520872180216646876377169089096034035969487, 
-  36744504416132878244552522451563313660303086381031784548929582417244124447603
+  47850243869989268528712520567298442290019403318054234291033274718437879648427, 
+  27185986573270415412620789926197549872389185391900755638388274126359800685380
  ], 
  "signers_sign": "HDNmWJHM2diYln4pkdL+qYOvgE7MdwayzeG+xEUZBgp1HtOjBJS+knDEVQsBkjcOPicDG2it1r6R1eQrmogqSP0=", 
  "signs": {
-  "1TeSTvb4w2PWE81S2rEELgmX2GCCExQGT": "HP+qomOGy0hTFX1HjHv8iQIL6E22qNynb+IijEblL2lm8SgsyiOxKGaVkD6/eE6xYGeYHSnhSii2Gw/04z3okNM="
+  "1TeSTvb4w2PWE81S2rEELgmX2GCCExQGT": "G84Wz60kiTpSJJYR9CFyIVHEQVzVB7bCXk+G+v6w2Mkv3a/2R+XNkV26qn7Tj4DHYGs5Xxi7jeXgPHTXzAhsQ+s="
  }, 
  "signs_required": 1, 
  "title": "ZeroBlog", 

src/Test/testdata/1TeSTvb4w2PWE81S2rEELgmX2GCCExQGT/data/users/1CjfbrbwtP8Y2QjPy12vpTATkUT7oSiPQ9/content.json

@@ -14,9 +14,9 @@
    "size": 1606
   }
  }, 
- "modified": 1443645834.763, 
+ "modified": 1445621840.488, 
  "optional": ".*\\.(jpg|png|gif)", 
  "signs": {
-  "1TeSTvb4w2PWE81S2rEELgmX2GCCExQGT": "HD+/5Jmew6BotfeWsfpTFKXUVIY5MyjKQx5KRnT6WO0nMBLxaI6/sTb+6ZXq0tXjXNkmlt36/UICYQcYQjCRhkY="
+  "1TeSTvb4w2PWE81S2rEELgmX2GCCExQGT": "G/I/c+fbVkmv79Bcok+QZU9E5P4ruG5mxrfQqbc+KmUcf6kYKWM5L/dZERMRGl3dUiTe4ueHnSbgG8HsTz9UmHI="
  }
 }

src/Test/testdata/1TeSTvb4w2PWE81S2rEELgmX2GCCExQGT/data/users/1J6UrZMkarjVg5ax9W4qThir3BFUikbW6C/content.json

@@ -8,8 +8,8 @@
    "size": 168
   }
  }, 
- "modified": 1443645835.157, 
+ "modified": 1445621840.892, 
  "signs": {
-  "1TeSTvb4w2PWE81S2rEELgmX2GCCExQGT": "HNIXDWV1kpqKtsJ+yrNKLvks/FDYIpVmx7xgkXPJ6NZiajCMHrgEwLH9QRiq6rs3nOCs0P08eRhlgZLvC+3U6ps="
+  "1TeSTvb4w2PWE81S2rEELgmX2GCCExQGT": "HDPcGHXKRufZx3eo1u0mH0xzaF+Uf05dNApdT2l+7GhZHXUqGv0VMShyeGGpiGOO9U55wEgPQNSoh9YY/S0WXI8="
  }
 }

src/Test/testdata/1TeSTvb4w2PWE81S2rEELgmX2GCCExQGT/data/users/content.json

@@ -1,9 +1,9 @@
 {
  "files": {}, 
  "ignore": ".*", 
- "modified": 1443645833.247, 
+ "modified": 1445621836.165, 
  "signs": {
-  "1TeSTvb4w2PWE81S2rEELgmX2GCCExQGT": "G2EcaEKdzzfbpRITDcaBajNwjaIIJW3zp1YQGIMJcxfw3tLnn6uv/goImvbzvuTXKkl5fQKmBowK2Bg1xXJ3078="
+  "1TeSTvb4w2PWE81S2rEELgmX2GCCExQGT": "G1CD1I6FDKfI5iCtu3s5gNQZJYuy60a5fCa/iFTEiyjF2LFLo3dhndpodVksrdgE0NVRfEmVa9sKYQf5MjPtFPM="
  }, 
  "user_contents": {
   "cert_signers": {