Update krangl.json and dataframe.json

Author: nikitinas

libraries/dataframe.json

@@ -1,7 +1,7 @@
 {
   "description": "Kotlin framework for structured data processing",
   "properties": {
-    "v": "0.0.8-dev-94"
+    "v": "0.7.1-dev-104"
   },
   "repositories": [
     "https://kotlin.bintray.com/kotlin-datascience"

libraries/krangl.json

@@ -1,15 +1,14 @@
 {
   "description": "Kotlin DSL for data wrangling",
   "properties": {
-    "v": "0.13"
+    "v": "-SNAPSHOT"
   },
   "link": "https://github.com/holgerbrandl/krangl",
   "repositories": [
-    "https://dl.bintray.com/holgerbrandl/mpicbg-scicomp",
-    "https://dl.bintray.com/cbeust/maven"
+    "https://jitpack.io"
   ],
   "dependencies": [
-    "de.mpicbg.scicomp:krangl:$v"
+    "com.github.holgerbrandl:krangl:$v"
   ],
   "imports": [
     "krangl.*"