first addition of EgammaTools
add egamma tools
add some useful meThod to the SC
simplify the usage of the class and add the method from the electron
add electron EAs
add the rho corrected isolation for electrons
add the template collection selector and the electron id selector
add the template collection selector and the electron id selector
fix the file reading
some trivial fixes
some trivial fixes
add one example of usage of electron selector
added
added
Merge pull request #7 from VecbosApp/edm-electrontools-26Dec2013

a first implementation of the electron selection