SpikingNeuron.java - Fixed flatline response curve bug.

Fixed bug that caused rate response curves to appear as constant flat
lines.
Revert "SpikingNeuron.java - Fixed flatline response curve bug."

This reverts commit 4aa02dad5cefd7de6e518dded60d26d56dec612c.
-added .classpath and .project to the gitignore (note: once we fix the classpath and project files we should stop ignoring them)
-trying to update .classpath and .project (this might break things)
Merge branch 'master' of https://github.com/ctn-waterloo/nengo

Conflicts:
	.gitignore
	simulator-ui/.classpath
	simulator-ui/.project
	simulator/.classpath
-proper fix for tuning curve plotting bug
Relative instead of absolute paths in .classpath
Fix for build.xml (undoing my accidental changes)
Added GPU code to distro.
Fixing an error with the GPU distro.
Changes to fsmnode
Merge branch 'master' of github.com:ctn-waterloo/nengo
build a brain chp 7 tutorial added comments
.DS_Store wants to commit?
final tutorial build a brain update
Changes to 2D Decision Integrator (from Chris)
Changes to 2D Decision Integrator
Adjusted progress indicator to delay before appearing
Removed stop button from top toolbar
cleaned up code for introductory demos