travis: disabled e-mail notifications

docs here: http://about.travis-ci.org/docs/user/notifications/
removed unnecessary win platform guard. (In Harbour
      dynlib calls work on every OS)
travis: enabled more optional components
corrections to prevs
partially reverted to pick sources from .hbp and only use SET PROCEDURE in script mode. Ugly, but SET PROCEDURE can only find sources in cwd.
added new note about processing of target type options
EOL fix
comment, link with hbtest automatically
EOL fixes to avoid Git warning
missing EOL @ EOF
2013-03-24 20:22 UTC+0100 Viktor Szakats (harbour syenar.net)
  * contrib/hbct/doc/en/*.txt
  * contrib/hbgt/doc/en/hbgt.txt
  * contrib/hbmisc/doc/en/*.txt
  * contrib/hbziparc/doc/en/hbziparc.txt
  * contrib/rddads/doc/en/adsfuncs.txt
  * doc/en/*.txt
    ! space after comma
    ! unicode fix
    ! minor corrections

  * extras/template/tests/hbmk.hbm
    * cleaned recently added comment
minors
cleanups
Merge branch 'master' of https://github.com/harbour/core
cleanups
typo
cleanups
added missing category
several NF docs validation errors are now considered warnings only.
      This way contrib docs are now included.
doc cleanups