bump to 1.6.3 and migrate release page

Makefile

@@ -3,7 +3,7 @@
 NAME       := comitium
 
 # will automatically set main.Version with this string
-VERSION    ?= 1.6.2
+VERSION    ?= 1.6.3
 
 # source dirs & files #
 GOSRC      := $(shell find . -type f -name '*.go')

README.md

@@ -49,24 +49,7 @@ To get up and running, see the [quickstart page][quickstart].
 
 ### downloading binaries
 
-You can download prebuilt x86-64 binaries for Linux, FreeBSD, and Mac:
+[You can download prebuilt binaries here](https://nytpu.com/releases/comitium/)
-
-* [comitium v1.6.2 Linux][linux] — [GPG Signature][linux-sig]
-* [comitium v1.6.2 FreeBSD][bsd] — [GPG Signature][bsd-sig]
-* [comitium v1.6.2 Mac][mac] — [GPG Signature][mac-sig]
-
-[SHA256 sums for all binaries][sums]  
-[man page for all binaries][man]
-
-
-[linux]: https://nytpu.com/files/releases/comitium-v1.6.2-x86_64-linux
-[linux-sig]: https://nytpu.com/files/releases/comitium-v1.6.2-x86_64-linux.gpg
-[bsd]: https://nytpu.com/files/releases/comitium-v1.6.2-x86_64-freebsd
-[bsd-sig]: https://nytpu.com/files/releases/comitium-v1.6.2-x86_64-freebsd.gpg
-[mac]: https://nytpu.com/files/releases/comitium-v1.6.2-x86_64-darwin
-[mac-sig]: https://nytpu.com/files/releases/comitium-v1.6.2-x86_64-darwin.gpg
-[sums]: https://nytpu.com/files/releases/comitium-v1.6.2-sha256sums.txt
-[man]: https://nytpu.com/files/releases/comitium.1-v1.6.2
 
 
 ### building