New command for signs, closes #79

A new command for signs. Refreshing them, cleaning them, and verifying
them. Changed up some internal apis, if you were using them sorry for
breaking it. Also, really update the signs when we jail someone who is
offline via a new event.

src/main/java/com/graywolf336/jail/enums/Lang.java

@@ -133,6 +133,10 @@ public enum Lang {
     CELLREMOVALUNSUCCESSFUL("general"),
     /** The message sent whenever a cell is successfully removed. */
     CELLREMOVED("general"),
+    /** The message sent when cleaning our cell signs. */
+    CLEANEDSIGNS("general"),
+    /** The message sent when seeing what signs are invalid. */
+    INVALIDSIGNS("general"),
     /** The line on a cell's sign when the prisoner is jailed forever. */
     JAILEDFOREVERSIGN("general"),
     /** The simple word jailing to be put in other parts. */
@@ -151,6 +155,8 @@ public enum Lang {
     NOCELL("general"),
     /** Message sent when needing a cell or something and there are no cells. */
     NOCELLS("general"),
+    /** Message sent when no invalid signs were found. */
+    NOINVALIDSIGNS("general"),
     /** The message sent whenever the sender does something which the jail does not found. */
     NOJAIL("general"),
     /** The message sent whenever the sender does something and there are no jails. */
@@ -173,6 +179,10 @@ public enum Lang {
     RECORDENTRY("general"),
     /** The message format sent saying how many times a user has been jailed. */
     RECORDTIMESJAILED("general"),
+    /** The simple word: sign. */
+    SIGN("general"),
+    /** The message sent when the signs are refreshed. */
+    SIGNSREFRESHED("general"),
     /** The format of the time entry we should use for the record entries. */
     TIMEFORMAT("general"),
     /** The simple word transferring to be put in other parts. */