Merge pull request #27 from gregorycollins/master

Fix compilation for GHC <7.6.
Rewrite NEWS -> ChangeLog
Support for setting a certificate chain file
add Server-example files to Extra-Source-Files
Merge pull request #28 from jystic/cert-chain

Support for setting a certificate chain file
Merge pull request #29 from dawedawe/master

add Server-example files to Extra-Source-Files
Update ChangeLog