made mcmod.info autoversion via gradle (kinda forgot about that...), had to change modinfo format for that to work (for whatever reason... search and replace doesn't work in nested json? o.O); added safety net to update checker

gradle/forge.gradle

@@ -17,7 +17,7 @@ minecraft {
 
 processResources {
     from(sourceSets.main.resources.srcDirs) {
-        include 'mcmod/info'
+        include 'mcmod.info'
         expand 'version': project.simpleVersion, 'mcversion': config.minecraft.version
     }
     from(sourceSets.main.resources.srcDirs) {

src/main/resources/mcmod.info

@@ -1,28 +1,25 @@
-{
-  "modinfoversion": 2,
-  "modlist": [{
-    "modid": "OpenComputers",
-    "name": "OpenComputers",
-    "description": "This mod adds modular computers and robots that can be programmed in Lua.",
-    "version": "1.2.2",
-    "mcversion": "1.6.4",
-    "url": "https://github.com/MightyPirates/OpenComputers/wiki",
-    "authors": ["Florian 'Sangar' Nücke", "Johannes 'Lord Joda' Lohrer", "Everyone who contributed to the mod on Github - thank you!"],
-    "credits" : "Inspired by a couple of other mods, most notably ComputerCraft.",
-    "logoFile" : "assets/opencomputers/textures/gui/logo.png",
-    "requiredMods": [ "Forge@[9.11.1.940,)" ],
-    "dependencies": [
-      "BuildCraft|Energy",
-      "ComputerCraft",
-      "ForgeMultipart",
-      "IC2",
-      "MineFactoryReloaded",
-      "ProjRed|Transmission",
-      "RedLogic",
-      "StargateTech2",
-      "ThermalExpansion",
-      "UniversalElectricity"
-    ],
-    "useDependencyInformation": "true"
-  }]
-}
+[{
+  "modid": "OpenComputers",
+  "name": "OpenComputers",
+  "description": "This mod adds modular computers and robots that can be programmed in Lua.",
+  "version": "${version}",
+  "mcversion": "${mcversion}",
+  "url": "https://github.com/MightyPirates/OpenComputers/wiki",
+  "authors": ["Florian 'Sangar' Nücke", "Johannes 'Lord Joda' Lohrer", "Everyone who contributed to the mod on Github - thank you!"],
+  "credits" : "Inspired by a couple of other mods, most notably ComputerCraft.",
+  "logoFile" : "assets/opencomputers/textures/gui/logo.png",
+  "requiredMods": [ "Forge@[9.11.1.940,)" ],
+  "dependencies": [
+    "BuildCraft|Energy",
+    "ComputerCraft",
+    "ForgeMultipart",
+    "IC2",
+    "MineFactoryReloaded",
+    "ProjRed|Transmission",
+    "RedLogic",
+    "StargateTech2",
+    "ThermalExpansion",
+    "UniversalElectricity"
+  ],
+  "useDependencyInformation": "true"
+}]

src/main/scala/li/cil/oc/UpdateCheck.scala

@@ -13,7 +13,9 @@ object UpdateCheck {
   val releasesUrl = new URL("https://api.github.com/repos/MightyPirates/OpenComputers/releases")
 
   val version = Loader.instance.getIndexedModList.get("OpenComputers").getVersion
-  val majorVersion = version.split('.')(0).toInt
+  val majorVersion = try version.split('.')(0).toInt catch {
+    case _: Throwable => 0
+  }
 
   // Lazy to make initialize() execute once from the first thread that tries to
   // read it. If other threads are spawned while it's running they will wait,