IDF and Loader for PSI FOCUS Refs #7059
EPP similar to ILL Refs #7059
Time bins read from the file Refs #7059
Test for loading focus Refs #7059
Bug fix : for range not supported  Refs #7059
changed name FOCUS at SINQ to FOCUS Refs #7059
changed LoadPSI to LoadSINQ Refs #7059
Added sample info. Improved idf. Re #7195
Added the wiki notes. Re #7195
Fixes related to G. Passos suggestions Re #7059
re #7059 resolving conflict