hack for 1 electron
merge with master
Merge branch 'master' of https://github.com/m-a-d-n-e-s-s/madness
In gaxpy_ext_recursive: now using two-scale relationship instead of project to get child coefficients of left node.
fix for moldft input order bug
removed unnecessary macro from testgaxpyext.cc
moved nemo.h to apps/chem/ and split into header and source files
moved mp2.h to apps/chem/ and split into header and source files
added after-convergence localization to nemo
added after-convergence localization to nemo
Changes to inner_ext methods:
    * Added user option to stop refinement at level of leaf nodes
    * Changed truncate_tol(thresh, key) to thresh
    * Now starting at initial_level instead of at leaf nodes of "host"
      function.
    * Documentation for inner_ext and gaxpy_ext methods
Merge pull request #100 from richford/master

Performance enhancements for inner_ext() methods
fixed conflict
Merge branch 'master' of https://github.com/m-a-d-n-e-s-s/madness
added response code TDA
truncate mode set to 1, mos truncated in TDA class, truncate safety keyword implemented
implemented c3v group
MORE fixes to make the brain-damaged GCC 4.9.x compiler happy.
Merge branch 'master' of https://github.com/m-a-d-n-e-s-s/madness
added more comments to the keywords in TDA.h. Cleaned up