Added input files as attribute to output from anatGetAll
Removed mincSlice,mincVolume,and mincVoxel Class
Which were causing problems when using roxygen2 (and also gave
warnings when compiling).

Updated man pages with roxygen now that the problematic files were removed
Removed problematic mincIO exports from NAMESPACE
Added two new options when using pMincApply (hpf and scinet)
Generalized PBS option when running pMincApply through the use of the options TMPDIR,WORKDIR and MAX_NODES
When Specifying MAX_NODES the number of workers will automatically be increased
to use an entire node
Modified doc for mincApply with examples how to run pbs option on scinet and hpf
While waiting for job to finish, the time is output on just one line now
Added options so now user can specify modules,global variables and packages
Merge branch 'mpi' into develop
Merge branch 'develop' of https://github.com/mcvaneede/RMINC into develop