WIP 1.15 and ReplayStudio v2 update

versions/common.gradle

@@ -216,15 +216,19 @@ dependencies {
     if (FABRIC) {
         minecraft 'com.mojang:minecraft:' + [
                 11404: '1.14.4',
+                11501: '1.15.1',
         ][mcVersion]
         mappings 'net.fabricmc:yarn:' + [
                 11404: '1.14.4+build.1',
+                11501: '1.15.1+build.37',
         ][mcVersion]
         modCompile 'net.fabricmc:fabric-loader:' + [
                 11404: '0.4.8+build.155',
+                11501: '0.7.4+build.177',
         ][mcVersion]
         modCompile 'net.fabricmc.fabric-api:fabric-api:' + [
                 11404: '0.3.0+build.200',
+                11501: '0.4.27+build.286-1.15',
         ][mcVersion]
     }
 
@@ -258,9 +262,7 @@ dependencies {
 
     shadow 'com.github.ReplayMod.JavaBlend:2.79.0:a0696f8'
 
-    def studioVersion = mcVersionStr
-    if (studioVersion == '1.8.9') studioVersion = '1.8'
-    shadow "com.github.ReplayMod.ReplayStudio:$studioVersion:e657fe8", shadeExclusions
+    shadow "com.replaymod.replaystudio:ReplayStudio:120feb9", shadeExclusions
 
     shadowReobf(project(":jGui:$jGuiVersion")){
         transitive = false // FG 1.2 puts all MC deps into the compile configuration and we don't want to shade those