Use amos that is now bundled in openlibm.

Remove amos library and update the amos license.
Move extras/specfun.jl into base/math.jl, and move the location
of the documentation as well.

LICENSE.md

@@ -45,6 +45,7 @@ is licensed under the GNU General Public License Version 2:
 
 External libraries, if used, include their own licenses:
 
+- [AMOS](https://www.netlib.org/slatec/guide)
 - [ARPACK](https://www.caam.rice.edu/software/ARPACK/RiceBSD.txt#LICENSE)
 - [D3](https://github.com/mbostock/d3/raw/master/LICENSE)
 - [DOUBLE-CONVERSION](https://code.google.com/p/double-conversion/)

Makefile

@@ -44,7 +44,7 @@ install: release
  cp $(BUILD)/bin/*julia* $(PREFIX)/bin
  cd $(PREFIX)/bin && ln -s julia-release-$(DEFAULT_REPL) julia
  cp -R -L $(BUILD)/lib/julia/* $(PREFIX)/lib/julia
- -cp $(BUILD)/lib/lib{Rmath,amd,amos,arpack,cholmod,colamd,openlibm,fftw3,fftw3f,fftw3_threads,fftw3f_threads,glpk,glpk_wrapper,gmp,gmp_wrapper,grisu,history,julia-release,$(OPENBLASNAME),openlibm,pcre,random,readline,suitesparse_wrapper,tk_wrapper,umfpack,z}.$(SHLIB_EXT) $(PREFIX)/lib
+ -cp $(BUILD)/lib/lib{Rmath,amd,arpack,cholmod,colamd,openlibm,fftw3,fftw3f,fftw3_threads,fftw3f_threads,glpk,glpk_wrapper,gmp,gmp_wrapper,grisu,history,julia-release,$(OPENBLASNAME),openlibm,pcre,random,readline,suitesparse_wrapper,tk_wrapper,umfpack,z}.$(SHLIB_EXT) $(PREFIX)/lib
 # Web-REPL stuff
  -cp $(BUILD)/lib/mod* $(PREFIX)/lib
  -cp $(BUILD)/sbin/* $(PREFIX)/sbin

base/export.jl

@@ -515,6 +515,28 @@ export
  isinteger,
  typemax,
  typemin,
+
+#specfun
+ airy, 
+ airyai, 
+ airyprime, 
+ airyaiprime, 
+ airybi, 
+ airybiprime,
+ besselj0, 
+ besselj1, 
+ besselj, 
+ bessely0, 
+ bessely1, 
+ bessely,
+ hankelh1, 
+ hankelh2, 
+ besseli, 
+ besselk, 
+ beta, 
+ lbeta, 
+ eta, 
+ zeta,
 
 # arrays
  amap,