CMake script and C++ to find and run Dreme
Merge branch 'master' into dreme
Don't use header file
Ignore auto-generated file
Merge branch 'master' into dreme
Merge branch 'master' into dreme
Merge branch 'master' into dreme

Conflicts:
	src/CMakeLists.txt
Use the -norc switch for RNA mode
Merge branch 'master' into link_dreme
Move DREME code into subdirectory of plasma
Use external DREME as algorithm in plasma
Create unique temporary directory and clean up afterwards
Also link to boost system library
Merge branch 'master' into external_dreme

Conflicts:
	src/plasma/CMakeLists.txt
Skip training if no tasks concern any of the HMM states
Merge branch 'master' into external_dreme
Also look for DREME binaries named meme-dreme
Mention the optional dependence on DREME from the MEME suite
Fix: need not cumulate further than the last state
Fail if Dreme was not found but WITH_DREME is given