Changed plugin's name to SQL. Major changes to Mutex. Code clean-up.
AMX functions weren't imported.
Fixed minor compilation error.
Added SDK sub-module.
Added plugin.def in VC++ project.
Almost finished PostgreSQL support. Fixed a minor Linux compilation issue.
Merge branch 'master' of git://github.com/udan11/samp-plugin-mysql

Conflicts:
	src/log.cpp
	src/main.cpp
	src/main.h
	src/mutex.cpp
	src/mutex.h
	src/natives.cpp
	src/pgsql/pgsql_handler.cpp
	src/pgsql/pgsql_handler.h
	src/pgsql/pgsql_query.cpp
	src/pgsql/pgsql_query.h
	src/pgsql/pgsql_result.cpp
	src/pgsql/pgsql_result.h
	src/sql/sql_query.h
Upstream pull