Solved bug at MUL matrix Lua function
More on SDAE sampling
Solved bug at lua_string of join components
Solved bug at buffer_list
Modified get and put pattern bunch
Removed useless Lua functions at utils.lua, removed zero initialization of weights at connections objects
Added to_lua_string to connections
Added table.linearize. Solved error at table.imap2 and table.map2. Added the returned variable caller ANN component to build method
Update LICENSE.txt

Added Lua License info
Modified license disclaimer
Update LICENSE.txt
Added component name to ERROR strings. Debugged join_component
Removed default_value at matrix
Removing default initialization of matrices
Changed test from release to debug
Added test to build_*lua. Modified matrix min and max. Solved problems with tokens at join and copy componetns
Adding SPAN iterator to matrix, in order to do efficient vector traversal (iterationg over all possible spans of the larger dimension) of multi-dimensional matrices
Specialized matrix to matrix<float>
Improved iterators efficiency
Modified tests to search digits.png in absolute path