Fix recording indexing in nwb format

Fix rpath options in linux build

Comment debug lines

Update version number to 0.4.0

Binary release October 28, 2015

- Version presented at SfN 2015
- Adds USB3 support (Windows and Linux only)
- Various bugfixes and code cleanup

Binary release March 30, 2015

- Upgrades to Rhythm processor and FPGA bitfile
- Add rectifier node
- Various bugfixes and code cleanup

Binary release January 19, 2015

- Enable processors to handle data with different sample rates + timestamps
- Add Network Events (and ZeroMQ dependency)
- Add PSTH, Common Avg Reference, and Arduino Output processors
- Various bug fixes and code cleanup

Binary release November 14, 2014

- Allow independent range selection for ADC, AUX, and headstage channels
- Allow Channel Map to load and save its own configurations
- Enable File Reader to load Kwik files saved by the GUI
- Various bug fixes and code cleanup

Binary release October 13, 2014

Major update, recommended for all users
- Add 'Spike Sorter' to list of modules; allows online spike sorting based
  on boxes and PCA
- Add option to save in HDF5-based 'Kwik' data format
- Add input field to message center, to allow saving of timestamped strings
- Add features to Rhythm FPGA editor, including impedance testing
- Improve display for higher channel counts
- Reorganize directory structure to ease transition to plugin architecture
- A variety of bugfixes

Stable version before spikesorting merge