Changed permissions of CI scripts.
Removed libxc install from CI.
Modified the configure command for CI.
- Added environment variables for compilers in CI.
- Updated library dependencies in CI.
CI now uses tcmalloc instead of tcmalloc_minimal.
Try again with tcmalloc libraries with CI.
install a newer compiler for c++11 support.
Add diagnostic print for tcmalloc.
Removed diagnostic print.
Set the GCC compiler to the new installed version for CI.
 adding polar code
 adding dft newsolver
 adding polar to configure.ac
Fixed a configure script error introduced in commit 90f3ad05d5ff4a2b4b8d4dfb1eeeabd3048ca250.
correctly set correct defaults for XC parameters
error checking
clean up printing
make configuration of tbb, libxc, tcmalloc automatic
correctly set have libxc flag
CI scripts now print commands.