Updated two projects

  * tex/latex/misc/mathug2.sty: added macro for \Psi;
  * tex/latex/misc/{mathug2,pmom,vectors,swap-greeks}.sty, increased
    version, added in comment reminder to add documentation for a file;
  * tex/latex/isuth-modules:
    - math-crts.dcf: new file, defines macros that use Greek letters;
    - mnote.dcf: move some code to 'math-crts.dcf' and 'note.dcf';
    - note.dcf: added redefinition of 'hbar';
    - asymptote.dcf: removed bm package;
    - gp-macros.dcf: added macro for Hypergeometric function;
    - ALL: increased version, use explicitly 'mathup2' package or
      'vectors' with option 'boldgreek' (that includes that package).

Signed-off-by: Vladimir Lomov <lomov.vl@gmail.com>