disable gh-pages target
removed generated docs from sources

this can cause too many potential conflicts and there's no need for
the docs in the source tree.
remove stray file
Merge branch 'devel' of github.com:saga-project/saga-python into devel
snapshot
improve doc generator resilience
tweaked engine logging
added log message to engine exceptions

If exceptions are not accompanied by appropriate 'ERROR' log messages, it is hard to figure out what went wrong
disabled saga/base __init__ log message
better understandable 'binding' message
removed defunkt iRods adaptor from devel registry
fixed indentation error
more work on job tests
merge from devel