start cleaning up default config file (refs #217)

small refactorings in application, fix use of application function in build.py, clean up EB config file

 this script adds a header to each file in the dir, with some flexible options

set up new structure, and try and make it works (print help, dump classes, search for modules works) (refs #125)

fix import order;
rename all modules to lower-case, with underscores for readability

 added a license file
 added a script to add a header to each file in a directory (with some flexible options)

copy tools/modules.py and tools/moduleSearcher.py, merge them both into tools/modules.py and clean up

fix default config
add __init__ for tools, and copy buildLog,py and config.py in tools

copied __init__ for easybuild project, fixed PyLint errors/warnings, use "UNKNOWN" for unknown git revision