Update badges in README.md

Author: Goooler

README.md

@@ -2,9 +2,9 @@
 
 [![Kotlin Alpha](https://kotl.in/badges/alpha.svg)](https://kotlinlang.org/docs/components-stability.html)
 [![JetBrains incubator project](https://jb.gg/badges/incubator.svg)](https://confluence.jetbrains.com/display/ALL/JetBrains+on+GitHub)
-[![GitHub license](https://img.shields.io/badge/license-Apache%20License%202.0-blue.svg?style=flat)](https://www.apache.org/licenses/LICENSE-2.0)
+[![GitHub license](https://img.shields.io/github/license/kotlin/kotlinx-benchmark)](LICENSE)
 [![Build status](https://teamcity.jetbrains.com/guestAuth/app/rest/builds/buildType:(id:KotlinTools_KotlinxBenchmark_Build_All)/statusIcon.svg)](https://teamcity.jetbrains.com/viewType.html?buildTypeId=KotlinTools_KotlinxBenchmark_Build_All)
-[![Maven Central](https://img.shields.io/maven-central/v/org.jetbrains.kotlinx/kotlinx-benchmark-runtime.svg?label=Maven%20Central)](https://search.maven.org/search?q=g:%22org.jetbrains.kotlinx%22%20AND%20a:%22kotlinx-benchmark-runtime%22)
+[![Maven Central](https://img.shields.io/maven-central/v/org.jetbrains.kotlinx/kotlinx-benchmark-runtime.svg?label=Maven%20Central)](https://central.sonatype.com/artifact/org.jetbrains.kotlinx/kotlinx-benchmark-runtime)
 [![Gradle Plugin Portal](https://img.shields.io/maven-metadata/v?label=Gradle%20Plugin&metadataUrl=https://plugins.gradle.org/m2/org/jetbrains/kotlinx/kotlinx-benchmark-plugin/maven-metadata.xml)](https://plugins.gradle.org/plugin/org.jetbrains.kotlinx.benchmark)
 
 `kotlinx-benchmark` is a toolkit for running benchmarks for multiplatform code written in Kotlin.