[2.6.0] MOTD and terminal translation, database support

This update to the API adds methods related to the latest Triton v2.6.0 update.

Added:

• boolean TritonConfig#isMotd
• FeatureSyntax TritonConfig#getMotdSyntax
• boolean TritonConfig#isTerminal
• boolean isMysql (obviously there is no way to get MySQL credentials throught the API)