Build system

• added out of source build
• removed CMake-based tests
• made tests run on internal install directory
• added CMake option ANT_HOME to explicitly specify Apache Ant installation
• added CMake option JAVA_HOME to explicitly specify java installation
• added centralised ant solution

CX2T

• moved config files inside jar
• removed static non-final variables
• refactored CLI
• fixed various issues

Driver

• Removed bash-based driver
• Added new java-based driver
• Added tests and unit-tests coverage for the driver
• Added CLI options '-MD' and '-mj' for better integration with GNU Make-based builds

Development

• added Eclipse IDE projects generation from templates
• ported all tests to JUnit

OMNI compiler

• submodule now pointing to
  omni-compiler/xcodeml-tools@0276bc0
• Switched to CMake based build
• Switched to C++ version of frontend (i.e. ffront-cpp instead of F_Front)
• Added CMake option BUILD_OMNI_XCODEML_TOOLS to use pre-installed OMNI (when set to OFF)
• Added CMake option OMNI_LINK_STATIC_GNU_LIBSTDCXX to build OMNI with static libstdc++ library
• Added CLI option --ffront-debug-dir to the CLAW driver for replicating failed calls to OMNI

Other

• updated install and developer documentation
• updated sonar to new version
• updated coding style