Add render lock for MinGW
Fix finding log4cpp on Windows
Merge pull request #37 from Mixaill/master

Workaround for cairo crash on Windows
Multiple changes in CMake files:
*Using find_pkg instead of pkg_check_modules in main file
*Getting rid of pkg-config on Windows
*Formatting and cleaning
Use default FindFreetype.cmake
[build] Don't use abstract exception (clang error)
[build] Group logical operators (clang warning)
[build] Group logical operators in eaglexml (clang warning)
[build] Move assignment out of condition (clang warning)
[build] Add assert on unexpected switch values (clang warning)
Initial Travis CI support
Merge pull request #41 from Mixaill/travis-attempt-4

Initial Travis CI support
Fix Cairomm finding
Merge pull request #38 from Mixaill/master

Getting rid of pkg-config on Windows
Merge pull request #40 from AMDmi3/clang

Fix errors and warnings detected by clang
Upgrade project VS2013
Builds x64 / XP
Upgrade boost 1.55
Merge remote-tracking branch 'upstream/master'