#30 #31 #67 Add JustJ 11.0.2 to target platform and product.

• Include SeText feature explicitly in the product feature.
• Added JustJ 11.0.2 to target platform and product.
  • Makes JDK sources available in development environment.
  • Ensures products include Java.
    • Users don't have to have Java installed on their system.
    • Users all have the same/known version of Java in use.
• Updated Java upgrade instructions.
• Updated Eclipse ESCET installation/removal etc instructions for end users.

Closes #30 (closed) Closes #31 (closed) Closes #67 (closed)