Added installation instructions

git-svn-id: https://svn.modelica.org/projects/ExternalMediaLibrary/trunk@6883 7ce873d0-865f-4ce7-a662-4bb36ea78beb
Added gcc libraries

git-svn-id: https://svn.modelica.org/projects/ExternalMediaLibrary/trunk@6884 7ce873d0-865f-4ce7-a662-4bb36ea78beb
Removed wrong partial qualifier

git-svn-id: https://svn.modelica.org/projects/ExternalMediaLibrary/trunk@7037 7ce873d0-865f-4ce7-a662-4bb36ea78beb
Added .h file in Include directory

git-svn-id: https://svn.modelica.org/projects/ExternalMediaLibrary/trunk@7038 7ce873d0-865f-4ce7-a662-4bb36ea78beb
- add Projects/Sources/mingw_gcc_comutil.cpp for undefined symbols
- rename ExternalMediaLib.a to libExternalMediaLib.a
- small changes to:
  Projects/Sources/Makefile
  Projects/make-gcc

git-svn-id: https://svn.modelica.org/projects/ExternalMediaLibrary/trunk@7068 7ce873d0-865f-4ce7-a662-4bb36ea78beb