Merge branch 'master' of https://github.com/hmenke/espresso
Merge remote-tracking branch 'upstream/master'
fixed up lb checkpointing docs
Merge pull request #161 from ohickey/python_devel

fixed up lb checkpointing docs
Merge pull request #160 from HRZaheri/master

Lattice Class Implementation
Fixed warning
Fixed documentation of integrate command
Make lj-gen beahave more correctly if cap radius is not set and exponents are negative.
In case of NaN forces, tell which particle caused the error.
Merge remote-tracking branch 'upstream/master'
Fix for missing EK species initialization in case EK_BOUNDARIES is switched on but no boundaries are present.
Small fix to the users guide.
fix to make the tcl command integrate less dependent on the status whether auto-updates of observebles or correlations is enabled or not
Merge branch 'master' of git://github.com/dschwoerer/espresso
Merge remote-tracking branch 'upstream/master'
Merge pull request #163 from rempferg/ek_fix

EK species initialization didn't happen when EK_BOUNDARIES was on but no boundaries set
Moved cudaStreamCreate from lbgpu_cuda.cu to cuda_init_cuda.cu and made sure old stream is destroyed upon device switch.
Merge branch 'cuda_stream_cleanup' of git://github.com/rempferg/espresso
Fixed Lattice class.
Code formatting