Sync and Checkpoint fix

Syncing the blockchain should not require client restarts anymore and
checkpointing updated. Staking has also been tweaked somewhat.

src/version.cpp

@@ -8,7 +8,7 @@
 // Name of client reported in the 'version' message. Report the same name
 // for both bitcoind and bitcoin-qt, to make it harder for attackers to
 // target servers or GUI users specifically.
-const std::string CLIENT_NAME("Pyramid");
+const std::string CLIENT_NAME("Illuminatus");
 
 // Client version number
 #define CLIENT_VERSION_SUFFIX   ""