Update rsyntaxtextarea to 3.0.2

The name is misleading since 3.0.2 had been officially released (but the filename is totally wrong).
The jar comes from https://netcologne.dl.sourceforge.net/project/rsyntaxtextarea/rsyntaxtextarea/3.0.2/rsyntaxtextarea-3.0.2.zip

Fixes #7861

Author: facchinm

app/.classpath

@@ -42,7 +42,7 @@
 	<classpathentry kind="lib" path="lib/slf4j-simple-1.7.22.jar"/>
 	<classpathentry kind="lib" path="lib/jsch-0.1.50.jar"/>
 	<classpathentry kind="lib" path="lib/jssc-2.8.0-arduino2.jar"/>
-	<classpathentry kind="lib" path="lib/rsyntaxtextarea-2.6.1.jar"/>
+	<classpathentry kind="lib" path="lib/rsyntaxtextarea-3.0.3-SNAPSHOT.jar"/>
 	<classpathentry kind="lib" path="lib/xml-apis-1.3.04.jar"/>
 	<classpathentry kind="lib" path="lib/xml-apis-ext-1.3.04.jar"/>
 	<classpathentry kind="lib" path="lib/xmlgraphics-commons-2.0.jar"/>

app/lib/rsyntaxtextarea-BSD.txt renamed to app/lib/RSyntaxTextArea.License.txt

@@ -21,4 +21,4 @@ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.