Moves C++ global build properties to properties file to match Java.

Adds host reachability check and static IP fallback
Adds roboRIO Image check
Adds JRE check for Java

Change-Id: I07f3a0863bde0ebec7e7d8f48270e45758bddba5

eclipse-plugins/edu.wpi.first.wpilib.plugins.cpp/src/main/resources/cpp-zip/ant/build.properties

@@ -0,0 +1,17 @@
+# Deployment information
+username=admin
+password=
+deploy.dir=/home/lvuser
+deploy.kill.command=/usr/local/frc/bin/frcKillRobot.sh -t -r
+deploy.log.file=/var/local/natinst/log/FRC_UserProgram.log
+command.dir=/home/lvuser/
+
+# Libraries to use
+wpilib=${user.home}/wpilib/cpp/${cpp-version}
+wpilib.lib=${wpilib}/lib
+roboRIOAllowedImages=18
+
+# Ant support
+wpilib.ant.dir=${wpilib}/ant
+jsch.jar=${wpilib.ant.dir}/jsch-0.1.50.jar
+classloadertask.jar=${wpilib.ant.dir}/ant-classloadertask.jar