Adding base64 compatibility to other OSes
Fixing decoding method. Tested on OSX
Removed inclusion of curl header file
Removing linux specific base64 implementation
Merge branch 'master' into base64-compat

Conflicts:
	include/ec_utils.h
	src/ec_utils.c
Fix issue #547 test failure with -Wl, -Bsymbolic-functions flag (automatically added by ubuntu)
Merge pull request #525 from eaescob/base64-compat

Base64 compat
Merge pull request #549 from LocutusOfBorg/fix-tests

Fix issue #547 test failure with -Wl, -Bsymbolic-functions flag