1. Remove the DISTCLEANFILES variables from automake scripts. The items
they clean are already cleaned appropriately.
2. For application targets, move the local headers to the SOURCES lists
for the apps.
1. Added support to the library for clients.
2. Added example client.
3. Added VS solutions for building client example.
4. Added ECC client keys. Renamed existing keys.
5. Since defunct server is copy of echoserver, updated it.