TXT reference removal from emulator.

- Removed any remaining TXT and SQL references from files.
- The 'make sql' command is now replaced by 'make server'.
- Removed account.engine feature as it is no longer needed.
- Moved login and IP ban configs to inter_athena.conf.
- Cleaned up cmake files.
- Miscellaneous clean ups.

.travis.yml

@@ -7,9 +7,9 @@ before_script:
   - uname -a  
 
 script: 
-  - ./configure && make sql
+  - ./configure && make server
   - make clean
-  - ./configure --enable-prere && make sql
+  - ./configure --enable-prere && make server
   
 notifications:
   email: false