fix not PetscBool in defl space computation

change IGNORE to NO_OFF_PROC_ENTRIES

change prefix from def to deflation

fix doc

remove SetPC SetCoarseKSP

align variables in declarations

minor code improvement

change SetMaxLvls to SetLevels

clean up

fix fortran

remove SLEPc space

fix for complex

remove Jacket-Haar

SUPERLU for CP if available

inherit options

[lvl]_ prefix

documentation

clean up

improve view

set init only

set correction factor

set reduction factor

reorder fuctions

set space to compute

set projection nullsp