build: removed turtorial and showcase web data

build: changelogs tagged

Showcases: Updated submodule reference.

changelogs tagged

Merge branch 'master' into integration

doc: renamed readme (for better display on github)

Let there be new line at end of file.

sctp: fixed build error on Windows

build: fixed git hash in makedist script

examples: manet routing examples feature is turned on by default.