Changed to use Ruby 2.1.1
Inline documentation improved.
small changed mostly to improve the readability.
The class 'query_parse' is separated from 'lodqa'.
'pubdictionaries' is used instead of 'ontofinder' and tuilookup.
missing files added.
readme file updated.
doc directory added.
ruby-version is specified to 2.1.1 and added to version control.
Merge branch 'master' into development

Conflicts:
	README.md
	tuilookup.rb
algorithm simplified.
access restriction revised.
enjuparse initializer argument order changed.
access method changed to 'get' from 'post'.
argument list revised.
in the middle of revising EnjuAccessor.
in the middle of revising enjuaccessor.
path variation operations are implemented.
in the middle of refactoring
added necessary files.
the parameters to graph_finder are adjusted acoording to the new interface of the method.